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2017-2018年四川省成都七中高三(上)入学数学试卷(理科)及参考答案

2017-2018 12 5 60 . . 15 i abR ab A15 B3 C15 D3 25 9 x 2 3 4 5 6 y 3 4 6 10 12 A17 B18 C19 D20 35 598043957328176036 60 Ax60ii1 Cx60ii+1 Bx60ii+1 Dx60ii1 45 C y x C 1 16 Ax2+y121 Cx2+y 2 Bx2+y 23 Dx2+y224 55 mn m Amnn Bm Cmnn Dmnn 65 12+ x A5 75 B4 C3 D2 gx fx A0 B C D1 85 ax+ 6 x2dx A B C3 D3 95 2 A B C D 105 ABC BC5GO ABC 5 ABC A B C D 115 n y222n1x P2n0 l 2 16 AnBn {an}a14 an n1nN{an} n Tn A4n B4n C2nn+1 D2nn+1 125 yfx Mx1y1 l1 M Nx2y2 N l2 l1l2 yfx yx22+lnx 00+ yfx fxx3x2+ax+b Mx1y1Nx2 y2 m1 A1 B2 C3 5 20 D4 135 a0xy z2x+y 1 a 145 N21 P30.158 7 P1 155 60 20 80 10 10 20 70 30 100 95% 3 16 0.10 2.706 0.05 3.841 0.010 6.635 0.005 7.879 165 {an} n Sn Sn nan+ancc nN*a2 6 bn {bn} n Tn 2Tnm2 nN* m 5 70 .. 1712 ABC ABC abc sinA+C8sin2 1 cosB 2 a+c6ABC 2 b 1812 5 E 1912 PA ADEBC AEDE AEADADAEAP 2 APED Q BP CQ DP BQ 2012 F10 lx4 P F l 4 16 P E E x A F x E BC ABAC l MN x Q Q 2112 gxxsinlnxsin [1+ 0 1 2 x[12] fx fx fx 3 x0 exx1kgx+1 k 2223 [ 4-4 ] 2210 xOy C x+62+y225 x C l t l C AB |AB| l [ 4-5] 23 2|x3|+|x4|2a a1 a 5 16 2017-2018 12 5 60 . . 1 a1b3 ab3 D 2 2+3+4+5+64 3+4+6+10+127 2.4x+ 72.442.6 2.4x2.6 x9 2.492.619 9 19 C 3 60 x x60 ii+1 C 4 C x2+ya2a2a00a 6 16 a1 C x2+y121 A 5 mn nnn mnn nm C 6 2 x 2 4x+ 2 2 12+ x3 C 7 gxsin2x+ + + fxsin2x+ 2x+ [ ] 2x+ fxsin2x+ 1 D 8ax+ 6 a5 a5 a1 7 16 x2dx 13 23 A 9 4 {}{}{}{ } A B A{ }B{}AB{} PA PAB A B PB|A PB|A A 10ABC GO ABC BC D ADODGD ODBCGD AD 5 5 5 BC5 | |2| |2+ | |2| |2+| |2 cosC0 C ABC B 8 16 11 xty+2n y222n1ty4n2n10 Anxn1yn1Bnxn2yn2 xn1xn2+yn1yn2 t2+1yn1yn22nt+yn1+yn2+4n2 yn1+yn222n1tyn1yn24n2n1 4n2n1t2+4n24n4n2 n1nN { } n 2nn+1 D 12 yx22+lnx y2x2+ x0 a 2x24+ax+10 a4+2 00+ yxx00+ fxx3x2+ax+b fx3x22x+a 3x22x+am0 2212am0 yaa yex1x0yex01 9 16 yx+ y1 1 01 01 x1 m1 fx m1 A 5 20 13 z2x+y y z2x+y B z yax3a 14 N21 x2 P30.1587 P1P310.15870.8413 0.8413 10 16 15 95% 16Sn nan+ancc nN*a26 n12a1 a1+a1ca1+6 a14c2 da2a1642 an4+2n12n+2 +6c bn

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