11C122(2)(3)4xaya1a________222:5,,OxyABO2,ABMAB22,,22,2CaDa.,ABOCMDa__________ABP(0,1)PAPB3l3.8A304B313sin17,335.7446621ABC3ABACABCP22233PBPCPAABC__________2xOyBC224xyA(1,1)ABACBC_______3xOy22:1261Cxy,2,,2AaaBaa1aC,PQ90APBAQBa__________4xOyA10B10C22234xyrCPAPBPr____5ABC2PAC?PAPBP_____6.Ox2y21M(xa)2(ya4)21.MPPOABAPB60a____________7.xOyOlCx2y26x50ABAOBCl____________8.xOyP(20)x2y21T(xa)2(y3)23RSPTRSa____________9.xOyM(xa)2(ya3)21(a0)NMNONMa__________10.AB2CCACB()CB12__________11.xOyyx2x2y2r2(r0)ABCOC54OA34OBr________12.M(x1)2(y1)24lxy60AlMBCBAC60A__________13.A(02)Mx2y22ax2ay0(a0)MTMAT45a________________14.xOyO1O2xO1O2OO1O26O1O2PQl2xy80PlM____________15.lP(12)Cx2y22ABABC1l________________16.xOyCx2(y1)25ACxACABABM.OAOMAB________17.xOyC1(x1)2(y6)225C2(x17)2(y30)2r2.C2PPC1ABPA2ABr______________18.xOyC(x1)2(y1)29lykx3CABMABM2Ck________19xOyC(xa)2(ya2)21A(02)CMMA2MO210a________20.xOyC(x1)2y24PCMPMPAPBABPCAPB60M______________