Bản đọc thử đột phá 9+ môn toán

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Chúc em sẽ dễ dàng chinh phục ược ước mơ!

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ABC (AB AC) &KR WDP JLiF Fy FiF JyF ÿӅX QKӑQ QӝL WLӃS WURQJ ÿѭӡQJ WUzQ WkP O. AD Oj ÿѭӡQJ NtQK FӫD ÿѭӡQJ WUzQ O H Oj WUXQJ ÿLӇP BC 7LӃS WX\ӃQ WҥL D FӫD O FăW ÿѭӡQJ WKҷQJ BC WҥL M ĈѭӡQJ WKҷQJ MO FҳW AB, AC OҫQ OѭӧW WҥL E Yj F. D &KӭQJ PLQK MD 2 MB.MC. E 4XD B Nҿ ÿѭӡQJ WKҷQJ VRQJ VRQJ YӟL MO FҳW ÿѭӡQJ WKҷQJ AD WҥL P &KӭQJ PLQK Wӭ JLiF BHPD Oj Wӭ JLiF QӝL WLӃS F &KӭQJ PLQK O Oj WUXQJ ÿLӇP FӫD EF.

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D &KӭQJ PLQK UҵQJ BDK E ĈѭӡQJ WKҷQJ DE FҳW BC WҥL M &KӭQJ PLQK ED ÿLӇP M, H, K WKҷQJ KjQJ F &KӭQJ PLQK UҵQJ Wӭ JLiF BKMD QӝL WLӃS &kX Ĉ͙ WKL YjR OͳS &KX\rQ 1LQK %uQK QăP KͥF ±

&KR KDL ÿѭӡQJ WUzQ O Yj O’ FҳW QKDX WҥL KDL ÿLӇP A, B (O, O’ WKXӝF KDL QӱD PһW SKҷQJ Eӡ AB 7LӃS WX\ӃQ FKXQJ JҫQ B FӫD KDL ÿѭӡQJ WUzQ OҫQ OѭӧW WLӃS [~F YӟL O Yj O’ WҥL C, D 4XD A Nҿ ÿѭӡQJ WKҷQJ VRQJ VRQJ YӟL CD OҫQ OѭӧW FҳW O Yj O’ WҥL M, N (M, N NKiF A &iF ÿѭӡQJ WKҷQJ CM, DN FҳW QKDX WҥL E *ӑL P Yj Q OҫQ OѭӧW Oj JLDR FӫD ÿѭӡQJ WKҷQJ MN YӟL ÿѭӡQJ WKҷQJ BC Yj ÿѭӡQJ WKҷQJ BD &KӭQJ PLQK UҵQJ D ĈѭӡQJ WKҷQJ AE YX{QJ JyF YӟL ÿѭӡQJ WKҷQJ CD. E 7ӭ JLiF BCED QӝL WLӃS F 7DP JLiF EPQ Oj WDP JLiF FkQ &kX Ĉ͙ WKL YjR OͳS &KX\rQ 6ͷ %͇F *LDQJ QăP KͥF ±

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