2011年及以前总结高中数学解题思想方法全部内容[1].doc

2 3 3 7 14 19 23 28 32 35 35 41 47 54 59 59 65 71 77 xy(ab)a2abbab(ab)2ab(ab)2abaabb(ab)ab(ab)3ab(a)babcabbcca(ab)(bc)(ca)abc(abc)2(abbcca)(abc)2(abbcca)1sin212sincossincosx(x)2(x)2 1. aa?a+2a?a+a?a=25 aa_2. xy4kx2y5k0_A. k1 B. k1 C. kR D. kk13. sincos1sincos_A. 1 B. 1 C. 11 D. 04. ylog (2x5x3)_A. , B. ,+) C. (, D. ,3)5. x+(a-2)x+a-1=0xxP(x,x)x+y=4a_ 1aaaaa52(xa)(yb)rr0B3(sincos)2sincos1sincosC4D531. 111224_A. 2 B. C. 5 D. 6 x,y,z ,x,y,z1112245B2. xkx2=0pq()+()7kxkx2=0pqpqkpq2 ,()+()7 kk pqxkx2=0 k80k2k2kk k pqpqpqpq3. abaabb=0()() ()()10 1(ab)ab aabb=0()()10 1011aabb=0(ab)ab ()()()()()()2 1aabb0()()10 ()()aabb0ab1. y(xa)(xb) ab_A. 8 B. C. D.2. x2axa60(-1) +(-1)_A. B. 8 C. 18 D.3. xyRx3y10t28_A. 2 B. C.2 B.4. x2ax3ya60xy40a_A. 2 B. 6 C. 26 D. 265. 2_A. 2sin4 B. 2sin44cos4 C. 2sin4 D. 4cos42sin46. FFy1PFPF90FPF_7. x1f(x)x2x_8. cos(-)sin(+)sin2(92)9. f(x)AxBxCmnm0 tt(m+t,n-t)f(x)1t1mRxlogtlogsylogtlogsm(logtlogs), yxyf(x)f(x) xf(x)0m42202tt0yx0,1xsin 0,xyxyrr0xrcosyrsinxySxtytt00,1. ysinxcosxsinx+cosx_2. f(x1)log(4x) a1f(x)_3. aa1aaaaa_4. xyx2xy10xy_5. 3_6. log(21) log(22)2_1sinx+cosxt,ytt1ty2x1t (t1)f(t)log-(t-1)4(,log431,bb1,b1(n1)(-1)na4xykx2kx10, 4k40,k1k153y3y2y10,yx16log(21)yy(y1)22y0f(x)2a(sinxcosx)sinxcosx2a sinxcosxtt-,(sinxcosx)12sinxcosxsinxcosx f(x)g(t)(t2a) a0t-,t-2a2a2at2a2a 00a87log loglog logtloglog3log3log3tlog2log2t3tx2tx2t0x t0log0010a0k1ab11cossin xyk03cos4sink0k3cos4sin5sin(+)k0k axbyc0 (a0)axbyc0xxyk0xyk00k3,k0)f(4)_A. 2lg2 B. lg2 C. lg2 D. lg42. y(x1)2_A. -2,+) B. -1,+) D. (-,+) C. (-,-13. adS145aaaa_A. 85 B. 72.5 C. 60 D. 52.54. x4y4xxy_5. a0b0ab1_6. ax(4,b)a_b_7. y2x_8. aaaa2aaa12aaay D CA BO x9. mxsinx2mcosx4m10,y0)ABADxyABCDf(x)g(x)af(a)g(a) 1. f(x)mf(x)f(x)nx5mn_A. , 2 B. 2 C. , 2 D. 22. axbx20(,)ab_A. 10 B. 10 C. 14 D. 143. (1x)1xx_A. 297 B.252 C. 297 D. 2074. yabcos3x (b0)y4asin3bx_5. L2x3y50A(1,-4)L_6. x1(2,2)_1f(x)mf(x)2x2mC2(,)axbx20ababD3xC(1)CxD4abab5L2x3yc0A(1,-4)C102x3y1006x(2,2)311. y