整式概念练习题(含答案)(20171219143945)

121(1)31xx()(2)3()(3)xy0()(4)x3y36()(5)()121ab2baab2+b+1x3+y2x3+x23A2B3C4D5223m2n2ABCD3A3x22x+53x22x5B3x3y2x22xy5C2x2+4xyD664AabcB2x+3y+4zC2D2x+15A23xB745baCxa523D20056A132xB23xC3xy1D253x7xyA2)(yxB22yxCyx2D2yx28Sa/,b/,/A2baBbasCbsasDbsass293()A.3abcB.234C.41x3yD.52x10()x12x+y31a2byxxy450.5aA.4B.5C.6D.711()A.3a+1B.2xyC.0.1D.21x123()Axyz1Bx2y1Cx2yxy2Dx3x2x113()Ax(xa)B12xC0D31x2y3114x3xy225()Ax3Bx3xy2Cx3xy2D2515yyynxyx1),12(31,8)1(7,4322()A1B2C3D416232xy()A33B213C232D23317()Ax0Bx0C10D101832yxmnxy5nm2()A6B5C2D51921xy()3A1B2C3D420212xyA1B2C1D21a134a23234yx3yyxxyx32235344220053xy5yx3426__________.721xy2z_____.8a221ab2b2_____21ab2.9213xy2,23x2y,a,x+21y,522a,x+110x+2xy+y.11m412b31113x10214nn1542234263yyxyxx16x2y1||||xxy417t31tt118y3y243y1923ab202a2b2ca3b21221x3y22xy243xy9______22.2313mxyz2343xyz,m=.23x221(xy)13247532cab________________________25x2yxyxy253____________26a=____________x2a127xy1________________________28x3x3x21____________29(m2n)x2ym+n-5xym+n30n____________313xy321x2xyy2xy3515a3232mn3xy4xyab1x2132xx6221a3b||ab331xxx1224x2y32231212yxyx50)2(|4|2xyx222yxyx71x5y34x2y4x5x1y22x3x1x2x335xy8x2y21x21y48121|2x1|31|y4|01xyx2y2ABCDDCABAD=a1a2a10cm3.149:1(1)(2)(3)(4)(5)BABDCCDDABCBCCBDDBAB142345345306.7.8.39.2123x2ya522a;3xy2x+21yx+110.11421m12b3413102x142n12n11543224362xyxyxy16017218119822052154143xy922423x21321(xy)x221(xy)132475625x2yxy2261272835291030n313xy33x2y23x3y321x2xyy2xy313235a222nm3yx14bayx2)(192213337414541823232343122x10y40x21y4x21y41xyx2y1214(21)24221241as2792cmFEDCBA