100題已知全集合U1.2.3.4.5.1.22.3.41.CA=則BCB==UUC=C=UUCB=ACB=UUC=C=UUCCB=C∪CB=UUUUURMxx1x1x22則=M∪N=C=CM=UUC=MCN=UUM3則有個(gè)1.xx是方程x-x-30的兩根,則(x1)(x1)241,2122xkx150的兩根的平方和為109,2456x22xm0的兩根.,5m=3xm2mx17.aba--1b--10則ab222283x2m)x20則x22xm0則m292402mx1xx=22x19240x若x=aR則1/8a20則a0a0則a2aa0aaaaa022則則ab則11ba1b)0ab22ab））））a0時(shí)x4ax0222123x210232x144xx32---402R,.-1logN-2Na13a則432若64lg2alog3log7xx423714log(53),log(53)aa若a=1a.bR且a,,b成等比數(shù)列則logalogb24若42sinlogx3求x-2x32的值23aa22()1若a=xf()1af65f(1)x2x-有f(1f(1-,02則2axbf(1)2f(4)8f(0)y2f(2)0且f2則112(A)yx(B)ylog(C)yx1(D)y22x202/812()yx2x-2(B)ylogx(C)y()(D)y1-x2x22若x35x543log17a若y5xkx62則yxkx5滿足f(2)3且9k=a=2y1xx2y32)2y2x2x22yx3x2yx3xm2m=1112yyy(xylgx2x)1212xxy2y2lg(x1311f(x)221x是yx2x2)yx2ytgxyx1y2x22x3x1f(a)2f(-a)3b,a+b,f(ab)f(a)f(b)的有f(x)logxf(x)2xf(x)2xf(x)x22f(x)x3x182f(x)3xaxbx8.f(-2)10,f(2)53y2axx12x(2m4)x2m4m50223/8f(x)x13）f(x)f(x)∝）f(x)f(x)x2(m3)xm0f(x)x4(lgm)x12．f(x)2(k(k3)x(k22x的兩側(cè),求.yx1y12sin2xyx2sinxy2x32x.xycos3yx3xyx1ytgxsin3x3aaaa30s,則2069n.s5n2n2naalg2,1n2n1nk,2k2,k32an1,且aa20,求n338.nsn2na2則為nnnaaan1n2nn,a1}n.1nn,,有.yc2ab022.是..的..3是sin32的..4/8..b0,(a0)是數(shù)axbxc2....2,且02)2若sinsin2p(3cos2284sin22.522=135tg,則sin2cossin()2247tg31271tg7513tg1tg7512y2x2xy2x2x1ysin2x22y(sin2xcos2x)22ysin(2x)sin2x3ysin3x22ytan(x)ysin3xcos3x3622y3sin2xcos2xytg(2x)4:y3sin2xcos2xy3sin2x2x311yx)x234xy2x2252252yasinxb,3,-求實(shí)數(shù).f(x)sin(x)cos(x)2263.f(x)sinx4sinx1.5/8在ABC,AB5,BC4,AC21,則BC邊上的中線AD4在,A為鈍角,sinA,ABAC3則BC5x3y20,2(83x4y60.(86x4y10.3(3x60..3xy60.xy6x4y02xy60223xy60.3xy6023x2y503xy60與xy2x8y80222,xy18x4504y022(3,0)A4,6)B(2,8)xy14y22圓3y2x309y2x25x2y12的離心率e,則kk892,0)與(5,0),,y2x1254xy2219xy22154FFBFF1212x22py,xy221(3)m46/8yxm交y2x2則51153(64)(0.125)39335573132x.f(x)xx2224求.2.?f(x)(logx)6logx當(dāng)f(x)0.求x的取值范圍.211223xy22k的直線與14ab22設(shè)(2,3)125求,ab的值.22,a(1,3),若單位向量則U=,aUabAOB120ab2a,bbab1a若abt2(t與OB(y)OAOBOAOB,若則=abc)abc2)(3,4)(5,6)則7/811CA=CB=U