{"id":1566,"date":"2026-09-08T08:07:14","date_gmt":"2026-09-08T08:07:14","guid":{"rendered":"https:\/\/maroczain.com\/scolaire.maroczain.com\/?page_id=1566"},"modified":"2026-09-08T08:07:14","modified_gmt":"2026-09-08T08:07:14","slug":"lire-choisir-marquer","status":"publish","type":"page","link":"https:\/\/maroczain.com\/scolaire.maroczain.com\/lire-choisir-marquer\/","title":{"rendered":"Lire. Choisir. Marquer"},"content":{"rendered":"\n&#8220;`html\n<div id=\"mza-strategies-concours-cpge\">\n\n<style>\n#mza-strategies-concours-cpge,\n#mza-strategies-concours-cpge *{box-sizing:border-box}\n\n#mza-strategies-concours-cpge{\n --navy:#06172c;\n --navy2:#0d416d;\n --gold:#c99a36;\n --gold2:#efd68c;\n --paper:#f5f6f8;\n --white:#fff;\n --text:#18283a;\n --muted:#687789;\n --line:#dfe5eb;\n font-family:Arial,Helvetica,sans-serif;\n background:var(--paper);\n color:var(--text);\n overflow:hidden\n}\n\n#mza-strategies-concours-cpge a{text-decoration:none;color:inherit}\n#mza-strategies-concours-cpge .wrap{max-width:1200px;margin:auto;padding:0 24px}\n#mza-strategies-concours-cpge section{padding:68px 0}\n\n#mza-strategies-concours-cpge .hero{\n color:#fff;\n padding:72px 0;\n background:\n radial-gradient(circle at 84% 15%,rgba(213,169,68,.28),transparent 28%),\n linear-gradient(135deg,#041224,#082b4c 65%,#10517e)\n}\n\n#mza-strategies-concours-cpge .badge{\n display:inline-block;\n 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.cta h2{color:#fff}\n\n#mza-strategies-concours-cpge .cta p{\n max-width:780px;\n margin:0 auto 22px;\n color:#cfdae4;\n line-height:1.7\n}\n\n@media(max-width:900px){\n #mza-strategies-concours-cpge .grid,\n #mza-strategies-concours-cpge .grid3,\n #mza-strategies-concours-cpge .method{\n   grid-template-columns:1fr\n }\n}\n<\/style>\n\n<header class=\"hero\">\n<div class=\"wrap\">\n\n<span class=\"badge\">COURS 18 \u2022 STRAT\u00c9GIES CONCOURS CPGE<\/span>\n\n<h1>Lire.<br>Choisir. Marquer.<\/h1>\n\n<p class=\"lead\">\nR\u00e9ussir une \u00e9preuve de math\u00e9matiques de concours ne d\u00e9pend pas seulement\ndes connaissances. Il faut savoir lire un sujet, identifier les questions rentables,\nutiliser les r\u00e9sultats pr\u00e9c\u00e9dents, r\u00e9diger efficacement et prot\u00e9ger son temps.\n<\/p>\n\n<div class=\"actions\">\n<a href=\"#cours\" class=\"btn gold\">\ud83d\udcda COMMENCER<\/a>\n<a href=\"#strategie\" class=\"btn glass\">\ud83e\udde0 STRAT\u00c9GIE<\/a>\n<a href=\"#simulation\" class=\"btn glass\">\u23f1 SIMULATION<\/a>\n<a href=\"#qcm\" class=\"btn glass\">\u2753 QCM<\/a>\n<\/div>\n\n<\/div>\n<\/header>\n\n<section id=\"cours\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">1. LECTURE DU SUJET<\/span>\n<h2>Les cinq premi\u00e8res minutes peuvent changer toute l&#8217;\u00e9preuve.<\/h2>\n<\/div>\n\n<div class=\"grid\">\n\n<div class=\"card\">\n<h3>Lecture globale<\/h3>\n<p>\nRep\u00e9rer la longueur du sujet, le nombre de parties, les th\u00e8mes abord\u00e9s\net les questions manifestement accessibles.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Ne pas commencer trop vite<\/h3>\n<p>\nUne lecture strat\u00e9gique \u00e9vite de consacrer vingt minutes \u00e0 une question difficile\nalors que plusieurs points rapides sont disponibles plus loin.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Rep\u00e9rer les verbes<\/h3>\n<p>\nMontrer, calculer, d\u00e9duire, justifier, interpr\u00e9ter, \u00e9tablir, r\u00e9soudre :\nchaque verbe indique le type de r\u00e9ponse attendu.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Rep\u00e9rer les d\u00e9pendances<\/h3>\n<p>\nUne question peut fournir explicitement un r\u00e9sultat destin\u00e9 \u00e0 \u00eatre utilis\u00e9 ensuite.\n<\/p>\n<\/div>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section style=\"background:#efede7\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">2. CLASSER LES QUESTIONS<\/span>\n<h2>Vert. Orange. Rouge.<\/h2>\n<\/div>\n\n<div class=\"grid3\">\n\n<div class=\"card\">\n<h3>\ud83d\udfe2 Vert<\/h3>\n<p>\nQuestion directe, formule connue, r\u00e9sultat standard, calcul court.\n<\/p>\n\n<div class=\"tip\">\n\u00c0 traiter imm\u00e9diatement.\n<\/div>\n<\/div>\n\n<div class=\"card\">\n<h3>\ud83d\udfe0 Orange<\/h3>\n<p>\nQuestion n\u00e9cessitant quelques minutes de r\u00e9flexion ou plusieurs \u00e9tapes.\n<\/p>\n\n<div class=\"tip\">\n\u00c0 traiter apr\u00e8s les points rapides.\n<\/div>\n<\/div>\n\n<div class=\"card\">\n<h3>\ud83d\udd34 Rouge<\/h3>\n<p>\nQuestion longue, bloquante ou dont la strat\u00e9gie n&#8217;appara\u00eet pas rapidement.\n<\/p>\n\n<div class=\"tip\">\n\u00c0 laisser temporairement.\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section id=\"strategie\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">3. R\u00c8GLE DES 3 MINUTES<\/span>\n<h2>Ne pas transformer une question en pi\u00e8ge temporel.<\/h2>\n<\/div>\n\n<div class=\"card\">\n\n<p>\nSi aucune piste s\u00e9rieuse n&#8217;appara\u00eet apr\u00e8s quelques minutes,\nil faut d\u00e9cider consciemment de quitter la question.\n<\/p>\n\n<div class=\"formula\">\nBLOQU\u00c9 \u2192 MARQUER \u2192 PASSER \u2192 REVENIR\n<\/div>\n\n<p>\nQuitter une question n&#8217;est pas l&#8217;abandonner.\nC&#8217;est prot\u00e9ger le reste de l&#8217;\u00e9preuve.\n<\/p>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"dark\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\" style=\"color:#efd68c\">MZA CONCOURS ENGINE<\/span>\n<h2>Le cycle de d\u00e9cision.<\/h2>\n<\/div>\n\n<div class=\"method\">\n<div><b>01<\/b><span>LIRE<\/span><\/div>\n<div><b>02<\/b><span>CLASSER<\/span><\/div>\n<div><b>03<\/b><span>PRENDRE LES POINTS<\/span><\/div>\n<div><b>04<\/b><span>PASSER<\/span><\/div>\n<div><b>05<\/b><span>REVENIR<\/span><\/div>\n<div><b>06<\/b><span>V\u00c9RIFIER<\/span><\/div>\n<\/div>\n\n<\/div>\n<\/section>\n\n<section>\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">4. EXPLOITER LES QUESTIONS PR\u00c9C\u00c9DENTES<\/span>\n<h2>Un sujet de concours raconte souvent une histoire.<\/h2>\n<\/div>\n\n<div class=\"grid\">\n\n<div class=\"card\">\n<h3>Une question donne un outil<\/h3>\n<p>\nSi l&#8217;\u00e9nonc\u00e9 demande d&#8217;\u00e9tablir une identit\u00e9, elle sert souvent dans les questions suivantes.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Une question donne une structure<\/h3>\n<p>\nDiagonalisation, changement de variable, int\u00e9gration par parties,\nencadrement ou relation de r\u00e9currence peuvent devenir les moteurs de la suite.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Une question donne le r\u00e9sultat<\/h3>\n<p>\nM\u00eame si une d\u00e9monstration n&#8217;a pas \u00e9t\u00e9 obtenue, le r\u00e9sultat annonc\u00e9 peut souvent \u00eatre utilis\u00e9 ensuite.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>R\u00e9flexe<\/h3>\n\n<div class=\"tip\">\nAvant chaque question, demandez : \u00ab Quel r\u00e9sultat pr\u00e9c\u00e9dent est probablement destin\u00e9 \u00e0 \u00eatre utilis\u00e9 ici ? \u00bb\n<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section style=\"background:#efede7\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">5. R\u00c9DACTION CONCOURS<\/span>\n<h2>\u00c9crire moins, mais \u00e9crire ce qui rapporte.<\/h2>\n<\/div>\n\n<div class=\"grid\">\n\n<div class=\"card\">\n<h3>Hypoth\u00e8ses<\/h3>\n<p>\nMentionner clairement les conditions n\u00e9cessaires au th\u00e9or\u00e8me utilis\u00e9.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Th\u00e9or\u00e8me<\/h3>\n<p>\nNommer ou identifier le r\u00e9sultat appliqu\u00e9 lorsqu&#8217;il est central.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Calcul lisible<\/h3>\n<p>\n\u00c9viter les sauts de raisonnement trop importants et les pages de calcul non structur\u00e9es.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Conclusion<\/h3>\n<p>\nR\u00e9pondre explicitement \u00e0 la question pos\u00e9e.\n<\/p>\n<\/div>\n\n<\/div>\n\n<div class=\"formula\">\nHYPOTH\u00c8SES \u2192 OUTIL \u2192 CALCUL \u2192 CONCLUSION\n<\/div>\n\n<\/div>\n<\/section>\n\n<section>\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">6. CHOISIR LE BON TH\u00c9OR\u00c8ME<\/span>\n<h2>Reconna\u00eetre les signaux de l&#8217;\u00e9nonc\u00e9.<\/h2>\n<\/div>\n\n<div class=\"grid\">\n\n<div class=\"card\">\n<h3>Suite monotone + born\u00e9e<\/h3>\n<p>Penser convergence.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Continuit\u00e9 + changement de signe<\/h3>\n<p>Penser th\u00e9or\u00e8me des valeurs interm\u00e9diaires.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Valeurs propres distinctes<\/h3>\n<p>Penser diagonalisation.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Famille orthogonale non nulle<\/h3>\n<p>Penser libert\u00e9.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Au moins un<\/h3>\n<p>Penser \u00e9v\u00e9nement compl\u00e9mentaire en probabilit\u00e9s ou d\u00e9nombrement.<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Int\u00e9grale avec produit<\/h3>\n<p>Examiner l&#8217;int\u00e9gration par parties.<\/p>\n<\/div>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section style=\"background:#efede7\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">7. GESTION DU TEMPS<\/span>\n<h2>Transformer la dur\u00e9e en budget.<\/h2>\n<\/div>\n\n<div class=\"grid\">\n\n<div class=\"card\">\n<h3>Phase 1<\/h3>\n<p>\nLecture globale et rep\u00e9rage.\n<\/p>\n\n<div class=\"formula\">\u2248 5% du temps<\/div>\n<\/div>\n\n<div class=\"card\">\n<h3>Phase 2<\/h3>\n<p>\nQuestions vertes et points s\u00fbrs.\n<\/p>\n\n<div class=\"formula\">\u2248 40% du temps<\/div>\n<\/div>\n\n<div class=\"card\">\n<h3>Phase 3<\/h3>\n<p>\nQuestions interm\u00e9diaires et d\u00e9veloppements longs.\n<\/p>\n\n<div class=\"formula\">\u2248 45% du temps<\/div>\n<\/div>\n\n<div class=\"card\">\n<h3>Phase 4<\/h3>\n<p>\nRelecture, signes, hypoth\u00e8ses, conclusions.\n<\/p>\n\n<div class=\"formula\">\u2248 10% du temps<\/div>\n<\/div>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section>\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">8. ANTI-BLOCAGE<\/span>\n<h2>Que faire quand aucune id\u00e9e ne vient ?<\/h2>\n<\/div>\n\n<div class=\"grid\">\n\n<div class=\"card\">\n<h3>R\u00e9\u00e9crire les donn\u00e9es<\/h3>\n<p>\nD\u00e9finir clairement les objets manipul\u00e9s et leurs propri\u00e9t\u00e9s.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Regarder la question pr\u00e9c\u00e9dente<\/h3>\n<p>\nLe point de d\u00e9part est parfois d\u00e9j\u00e0 fourni.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Tester un cas simple<\/h3>\n<p>\nUne petite dimension ou une valeur particuli\u00e8re peut faire appara\u00eetre la structure.\n<\/p>\n<\/div>\n\n<div class=\"card\">\n<h3>Changer de repr\u00e9sentation<\/h3>\n<p>\nPasser d&#8217;une application \u00e0 sa matrice, d&#8217;une somme \u00e0 une int\u00e9grale,\nd&#8217;un \u00e9v\u00e9nement \u00e0 un arbre, etc.\n<\/p>\n<\/div>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section style=\"background:#efede7\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">9. LES 8 ERREURS QUI CO\u00dbTENT DES POINTS<\/span>\n<h2>Le Concours Error DNA.<\/h2>\n<\/div>\n\n<div class=\"grid\">\n\n<div class=\"card\"><h3>01<\/h3><p>R\u00e9pondre \u00e0 une autre question que celle pos\u00e9e.<\/p><\/div>\n<div class=\"card\"><h3>02<\/h3><p>Utiliser un th\u00e9or\u00e8me sans v\u00e9rifier ses hypoth\u00e8ses.<\/p><\/div>\n<div class=\"card\"><h3>03<\/h3><p>Oublier un signe ou un domaine de d\u00e9finition.<\/p><\/div>\n<div class=\"card\"><h3>04<\/h3><p>Confondre implication et \u00e9quivalence.<\/p><\/div>\n<div class=\"card\"><h3>05<\/h3><p>D\u00e9velopper un calcul alors qu&#8217;une propri\u00e9t\u00e9 structurelle suffit.<\/p><\/div>\n<div class=\"card\"><h3>06<\/h3><p>Rester bloqu\u00e9 trop longtemps sur une seule question.<\/p><\/div>\n<div class=\"card\"><h3>07<\/h3><p>Ne pas conclure explicitement.<\/p><\/div>\n<div class=\"card\"><h3>08<\/h3><p>Ne pas exploiter un r\u00e9sultat donn\u00e9 par l&#8217;\u00e9nonc\u00e9.<\/p><\/div>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section id=\"simulation\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">10. MZA SPEED TEST<\/span>\n<h2>Simulation courte chronom\u00e9tr\u00e9e.<\/h2>\n\n<p>\nUtilisez ce mini-chronom\u00e8tre pour entra\u00eener la prise de d\u00e9cision sous pression.\n<\/p>\n<\/div>\n\n<div class=\"timerbox\">\n\n<div id=\"mzaTimer\" class=\"timer\">05:00<\/div>\n\n<div class=\"actions\" style=\"justify-content:center\">\n<button type=\"button\" class=\"btn gold\" onclick=\"mzaStartTimer()\">\u25b6 D\u00c9MARRER 5 MIN<\/button>\n<button type=\"button\" class=\"btn\" style=\"background:#06172c;color:#fff\" onclick=\"mzaResetTimer()\">\u21bb R\u00c9INITIALISER<\/button>\n<\/div>\n\n<p style=\"color:#687789;line-height:1.7\">\nPendant ces cinq minutes, entra\u00eenez-vous \u00e0 lire un exercice,\nclasser les questions et \u00e9crire uniquement la strat\u00e9gie de r\u00e9solution.\n<\/p>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section style=\"background:#efede7\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">11. EXERCICES DE STRAT\u00c9GIE<\/span>\n<h2>Apprendre \u00e0 d\u00e9cider avant de calculer.<\/h2>\n<\/div>\n\n<div class=\"exercise\">\n<span class=\"level\">MISSION 1<\/span>\n\n<h3>Suite r\u00e9currente<\/h3>\n\n<p>\nUne suite est d\u00e9finie par u\u2080&gt;0 et u\u2099\u208a\u2081=f(u\u2099).\nLes premi\u00e8res questions demandent de montrer qu&#8217;elle est positive, croissante puis major\u00e9e.\n<\/p>\n\n<p><b>Question :<\/b> quel r\u00e9sultat devrait imm\u00e9diatement \u00eatre anticip\u00e9 ensuite ?<\/p>\n\n<button type=\"button\" class=\"btn gold\" onclick=\"mzaStratHint('stratHint1')\">\ud83d\udca1 INDICE<\/button>\n\n<div id=\"stratHint1\" class=\"hint\">\nObservez l&#8217;association \u00ab monotone + born\u00e9e \u00bb.\n<\/div>\n<\/div>\n\n<div class=\"exercise\">\n<span class=\"level\">MISSION 2<\/span>\n\n<h3>Matrice param\u00e9tr\u00e9e<\/h3>\n\n<p>\nUne premi\u00e8re question demande de calculer det(A-\u03bbI), puis une seconde de d\u00e9terminer ses racines.\n<\/p>\n\n<p><b>Question :<\/b> que doit-on probablement pr\u00e9parer pour la suite ?<\/p>\n\n<button type=\"button\" class=\"btn gold\" onclick=\"mzaStratHint('stratHint2')\">\ud83d\udca1 INDICE<\/button>\n\n<div id=\"stratHint2\" class=\"hint\">\nLes racines obtenues sont les valeurs propres potentielles.\n<\/div>\n<\/div>\n\n<div class=\"exercise\">\n<span class=\"level\">MISSION 3<\/span>\n\n<h3>Probabilit\u00e9s<\/h3>\n\n<p>\nUn exercice comporte plusieurs cat\u00e9gories de population puis un r\u00e9sultat de test.\n<\/p>\n\n<p><b>Question :<\/b> quel outil de repr\u00e9sentation est g\u00e9n\u00e9ralement le plus rentable ?<\/p>\n\n<button type=\"button\" class=\"btn gold\" onclick=\"mzaStratHint('stratHint3')\">\ud83d\udca1 INDICE<\/button>\n\n<div id=\"stratHint3\" class=\"hint\">\nConstruisez une repr\u00e9sentation visuelle des branches et probabilit\u00e9s conditionnelles.\n<\/div>\n<\/div>\n\n<div class=\"exercise\">\n<span class=\"level\">MISSION CONCOURS<\/span>\n\n<h3>Question impossible ?<\/h3>\n\n<p>\nApr\u00e8s 4 minutes, vous n&#8217;avez aucune piste s\u00e9rieuse sur une question de milieu de probl\u00e8me.\nLes questions suivantes semblent lisibles.\n<\/p>\n\n<p><b>D\u00e9cision attendue :<\/b> quelle strat\u00e9gie adopter ?<\/p>\n\n<button type=\"button\" class=\"btn gold\" onclick=\"mzaStratHint('stratHint4')\">\ud83d\udca1 INDICE<\/button>\n\n<div id=\"stratHint4\" class=\"hint\">\nProt\u00e9gez le reste de l&#8217;\u00e9preuve : marquez la question, avancez et revenez plus tard.\n<\/div>\n<\/div>\n\n<\/div>\n<\/section>\n\n<section>\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">12. PROBLEM LAB \u2014 MODE CONCOURS<\/span>\n<h2>Construire une strat\u00e9gie avant toute r\u00e9solution.<\/h2>\n<\/div>\n\n<div class=\"card\">\n\n<h3>Sujet simul\u00e9<\/h3>\n\n<p>\nOn consid\u00e8re une matrice A\u2208M\u2083(\u211d). Le sujet comporte les questions suivantes :\n<\/p>\n\n<ol>\n<li>calculer son polyn\u00f4me caract\u00e9ristique ;<\/li>\n<li>d\u00e9terminer trois valeurs propres distinctes ;<\/li>\n<li>d\u00e9terminer un vecteur propre associ\u00e9 \u00e0 chacune ;<\/li>\n<li>montrer que A est diagonalisable ;<\/li>\n<li>construire P et D telles que A=PDP\u207b\u00b9 ;<\/li>\n<li>calculer A\u207f ;<\/li>\n<li>\u00e9tudier une suite d\u00e9finie par X\u2099\u208a\u2081=AX\u2099.<\/li>\n<\/ol>\n\n<p><b>Votre mission n&#8217;est pas encore de calculer.<\/b><\/p>\n\n<ol>\n<li>identifier le fil logique du probl\u00e8me ;<\/li>\n<li>rep\u00e9rer les questions imm\u00e9diatement rentables ;<\/li>\n<li>indiquer les r\u00e9sultats qui serviront dans les questions suivantes ;<\/li>\n<li>pr\u00e9voir la m\u00e9thode pour A\u207f ;<\/li>\n<li>pr\u00e9voir le lien avec la suite X\u2099 ;<\/li>\n<li>construire un plan de r\u00e9solution en moins de trois minutes.<\/li>\n<\/ol>\n\n<div class=\"actions\">\n<button type=\"button\" class=\"btn gold\" onclick=\"mzaStratHint('stratMission1')\">\ud83d\udca1 INDICE<\/button>\n<button type=\"button\" class=\"btn\" style=\"background:#06172c;color:#fff\" onclick=\"mzaStratHint('stratMission2')\">\ud83e\udde0 PLAN<\/button>\n<\/div>\n\n<div id=\"stratMission1\" class=\"hint\">\nLes questions sont fortement d\u00e9pendantes : valeurs propres \u2192 vecteurs propres \u2192 diagonalisation \u2192 puissances \u2192 suite matricielle.\n<\/div>\n\n<div id=\"stratMission2\" class=\"hint\">\nCherchez d&#8217;abord le chemin structurel du probl\u00e8me. Ne consid\u00e9rez pas les sept questions comme sept exercices ind\u00e9pendants.\n<\/div>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section class=\"dark\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\" style=\"color:#efd68c\">MZA EXAM COCKPIT<\/span>\n<h2>Piloter l&#8217;\u00e9preuve.<\/h2>\n\n<p>\nLe candidat performant ne r\u00e9sout pas seulement des math\u00e9matiques :\nil pilote son temps, ses priorit\u00e9s et ses d\u00e9cisions.\n<\/p>\n<\/div>\n\n<div class=\"method\">\n<div><b>A<\/b><span>SCAN SUJET<\/span><\/div>\n<div><b>B<\/b><span>POINTS S\u00dbRS<\/span><\/div>\n<div><b>C<\/b><span>STRUCTURE<\/span><\/div>\n<div><b>D<\/b><span>ANTI-BLOCAGE<\/span><\/div>\n<div><b>E<\/b><span>RETOUR<\/span><\/div>\n<div><b>F<\/b><span>RELECTURE<\/span><\/div>\n<\/div>\n\n<\/div>\n<\/section>\n\n<section id=\"qcm\">\n<div class=\"wrap\">\n\n<div class=\"head\">\n<span class=\"kicker\">13. QCM DE VALIDATION<\/span>\n<h2>Diagnostic Strat\u00e9gie Concours.<\/h2>\n\n<p>Le score est affich\u00e9 sans r\u00e9v\u00e9ler les r\u00e9ponses correctes.<\/p>\n<\/div>\n\n<div class=\"qcm\">\n\n<form id=\"stratQuiz\">\n\n<div class=\"question\">\n<strong>1. Au d\u00e9but d&#8217;une \u00e9preuve longue, la meilleure premi\u00e8re action est g\u00e9n\u00e9ralement :<\/strong>\n<label><input type=\"radio\" name=\"s1\" value=\"1\"> effectuer une lecture globale du sujet<\/label>\n<label><input type=\"radio\" name=\"s1\" value=\"0\"> commencer imm\u00e9diatement la premi\u00e8re question<\/label>\n<label><input type=\"radio\" name=\"s1\" value=\"0\"> lire uniquement la derni\u00e8re page<\/label>\n<label><input type=\"radio\" name=\"s1\" value=\"0\"> chercher la question la plus difficile<\/label>\n<\/div>\n\n<div class=\"question\">\n<strong>2. Apr\u00e8s plusieurs minutes sans piste sur une question :<\/strong>\n<label><input type=\"radio\" name=\"s2\" value=\"1\"> on la marque et on avance<\/label>\n<label><input type=\"radio\" name=\"s2\" value=\"0\"> on y consacre obligatoirement tout le temps n\u00e9cessaire<\/label>\n<label><input type=\"radio\" name=\"s2\" value=\"0\"> on abandonne toute l&#8217;\u00e9preuve<\/label>\n<label><input type=\"radio\" name=\"s2\" value=\"0\"> on efface les r\u00e9ponses pr\u00e9c\u00e9dentes<\/label>\n<\/div>\n\n<div class=\"question\">\n<strong>3. Une bonne r\u00e9daction math\u00e9matique suit souvent :<\/strong>\n<label><input type=\"radio\" name=\"s3\" value=\"1\"> hypoth\u00e8ses \u2192 outil \u2192 calcul \u2192 conclusion<\/label>\n<label><input type=\"radio\" name=\"s3\" value=\"0\"> r\u00e9sultat \u2192 intuition \u2192 aucune justification<\/label>\n<label><input type=\"radio\" name=\"s3\" value=\"0\"> calcul uniquement<\/label>\n<label><input type=\"radio\" name=\"s3\" value=\"0\"> d\u00e9finition uniquement<\/label>\n<\/div>\n\n<div class=\"question\">\n<strong>4. Si une question pr\u00e9c\u00e9dente fournit un r\u00e9sultat utile :<\/strong>\n<label><input type=\"radio\" name=\"s4\" value=\"1\"> il faut penser \u00e0 l&#8217;exploiter dans la suite<\/label>\n<label><input type=\"radio\" name=\"s4\" value=\"0\"> il faut l&#8217;ignorer<\/label>\n<label><input type=\"radio\" name=\"s4\" value=\"0\"> il faut toujours le red\u00e9montrer<\/label>\n<label><input type=\"radio\" name=\"s4\" value=\"0\"> il ne sert probablement \u00e0 rien<\/label>\n<\/div>\n\n<div class=\"question\">\n<strong>5. Une suite montr\u00e9e croissante et major\u00e9e sugg\u00e8re :<\/strong>\n<label><input type=\"radio\" name=\"s5\" value=\"1\"> d&#8217;\u00e9tudier sa convergence<\/label>\n<label><input type=\"radio\" name=\"s5\" value=\"0\"> de calculer un d\u00e9terminant<\/label>\n<label><input type=\"radio\" name=\"s5\" value=\"0\"> de chercher une base propre<\/label>\n<label><input type=\"radio\" name=\"s5\" value=\"0\"> de compter des arrangements<\/label>\n<\/div>\n\n<div class=\"question\">\n<strong>6. La relecture finale doit notamment v\u00e9rifier :<\/strong>\n<label><input type=\"radio\" name=\"s6\" value=\"1\"> hypoth\u00e8ses, signes, domaines et conclusions<\/label>\n<label><input type=\"radio\" name=\"s6\" value=\"0\"> uniquement la pr\u00e9sentation esth\u00e9tique<\/label>\n<label><input type=\"radio\" name=\"s6\" value=\"0\"> uniquement le num\u00e9ro des pages<\/label>\n<label><input type=\"radio\" name=\"s6\" value=\"0\"> uniquement la premi\u00e8re question<\/label>\n<\/div>\n\n<button type=\"button\" class=\"btn gold\" onclick=\"mzaStratScore()\">\nVALIDER MON QCM\n<\/button>\n\n<\/form>\n\n<div id=\"stratResult\"><\/div>\n\n<\/div>\n<\/div>\n<\/section>\n\n<section>\n<div class=\"wrap\">\n\n<div class=\"cta\">\n\n<div style=\"font-size:43px\">POINTS \/ TEMPS<\/div>\n\n<h2>Au concours, chaque minute doit produire de la valeur.<\/h2>\n\n<p>\nMa\u00eetriser les math\u00e9matiques est indispensable.\nSavoir organiser une \u00e9preuve, s\u00e9lectionner les questions,\nprot\u00e9ger son temps et r\u00e9diger proprement transforme cette ma\u00eetrise\nen points r\u00e9ellement obtenus.\n<\/p>\n\n<div class=\"actions\" style=\"justify-content:center\">\n<a href=\"#cours\" class=\"btn gold\">\ud83d\udcda REVOIR<\/a>\n<a href=\"#simulation\" class=\"btn glass\">\u23f1 S&#8217;ENTRA\u00ceNER<\/a>\n<a href=\"#qcm\" class=\"btn glass\">\u2753 REFAIRE LE QCM<\/a>\n<\/div>\n\n<\/div>\n<\/div>\n<\/section>\n\n<script>\nfunction mzaStratHint(id){\n const el=document.getElementById(id);\n if(!el)return;\n el.style.display = el.style.display===\"block\" ? \"none\" : \"block\";\n}\n\nlet mzaTimerInterval=null;\nlet mzaTimerSeconds=300;\n\nfunction mzaRenderTimer(){\n const el=document.getElementById(\"mzaTimer\");\n if(!el)return;\n\n const m=Math.floor(mzaTimerSeconds\/60);\n const s=mzaTimerSeconds%60;\n\n el.textContent=\n String(m).padStart(2,\"0\")+\":\"+\n String(s).padStart(2,\"0\");\n}\n\nfunction mzaStartTimer(){\n if(mzaTimerInterval)return;\n\n mzaTimerInterval=setInterval(function(){\n   if(mzaTimerSeconds>0){\n     mzaTimerSeconds--;\n     mzaRenderTimer();\n   }else{\n     clearInterval(mzaTimerInterval);\n     mzaTimerInterval=null;\n\n     const el=document.getElementById(\"mzaTimer\");\n     if(el)el.textContent=\"TEMPS\";\n   }\n },1000);\n}\n\nfunction mzaResetTimer(){\n if(mzaTimerInterval){\n   clearInterval(mzaTimerInterval);\n   mzaTimerInterval=null;\n }\n\n mzaTimerSeconds=300;\n mzaRenderTimer();\n}\n\nfunction mzaStratScore(){\n const form=document.getElementById(\"stratQuiz\");\n const result=document.getElementById(\"stratResult\");\n\n let score=0;\n let complete=true;\n\n [\"s1\",\"s2\",\"s3\",\"s4\",\"s5\",\"s6\"].forEach(function(name){\n   const answer=form.querySelector('input[name=\"'+name+'\"]:checked');\n\n   if(!answer){\n     complete=false;\n   }else{\n     score+=Number(answer.value);\n   }\n });\n\n result.style.display=\"block\";\n\n if(!complete){\n   result.innerHTML=\"<strong>R\u00e9pondez aux 6 questions avant de valider.<\/strong>\";\n   return;\n }\n\n const pct=Math.round(score\/6*100);\n\n let level=\"Strat\u00e9gie concours \u00e0 consolider\";\n if(pct>=50) level=\"Bases acquises\";\n if(pct>=67) level=\"Bon pilotage\";\n if(pct>=84) level=\"Tr\u00e8s bonne strat\u00e9gie\";\n if(pct===100) level=\"Excellent niveau concours\";\n\n result.innerHTML=\n \"<strong style='font-size:30px;color:#efd68c'>\"+pct+\"%<\/strong>\"+\n \"<p><b>\"+level+\"<\/b><\/p>\"+\n \"<p>Score : \"+score+\" \/ 6<\/p>\"+\n \"<p>Les r\u00e9ponses correctes et la correction d\u00e9taill\u00e9e restent masqu\u00e9es.<\/p>\";\n}\n\nmzaRenderTimer();\n<\/script>\n\n<\/div>\n&#8220;`\n","protected":false},"excerpt":{"rendered":"<p>&#8220;`html COURS 18 \u2022 STRAT\u00c9GIES CONCOURS CPGE Lire.Choisir. Marquer. R\u00e9ussir une \u00e9preuve de math\u00e9matiques de concours ne d\u00e9pend pas seulement des connaissances. Il faut savoir lire un sujet, identifier les questions rentables, utiliser les r\u00e9sultats pr\u00e9c\u00e9dents, r\u00e9diger efficacement et prot\u00e9ger son temps. \ud83d\udcda COMMENCER \ud83e\udde0 STRAT\u00c9GIE \u23f1 SIMULATION \u2753 QCM 1. LECTURE DU SUJET Les [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1566","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/maroczain.com\/scolaire.maroczain.com\/wp-json\/wp\/v2\/pages\/1566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/maroczain.com\/scolaire.maroczain.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/maroczain.com\/scolaire.maroczain.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/maroczain.com\/scolaire.maroczain.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/maroczain.com\/scolaire.maroczain.com\/wp-json\/wp\/v2\/comments?post=1566"}],"version-history":[{"count":1,"href":"https:\/\/maroczain.com\/scolaire.maroczain.com\/wp-json\/wp\/v2\/pages\/1566\/revisions"}],"predecessor-version":[{"id":1568,"href":"https:\/\/maroczain.com\/scolaire.maroczain.com\/wp-json\/wp\/v2\/pages\/1566\/revisions\/1568"}],"wp:attachment":[{"href":"https:\/\/maroczain.com\/scolaire.maroczain.com\/wp-json\/wp\/v2\/media?parent=1566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}