北师大版成都初一数学上期末考试题

1(A)(B)(C)(D)(100150)330121223(A)176aa(B)(C)2222743nmmnnm(D)222109xxx4.200620%(A)100(B)105(C)108(D)1185847A180B18.50C190D200627430A0.2743103B27.43103C274.310D2.74310473x2y22x3y1ABC(D)8ABC(A)6040(B)6050(C)3040(D)30509.ABACABCDEABCDBEABC(A)1(B)2(C)3(D)4101.8A0.6B0.5C0.45D0.342011.m2m2m22mxyyx52312DBCA212144nyx25yxmnm.13O18300ABO10200OAOB.()14300m19s9sm15__________________5016.53616123+24321(2)-[2m-3m-n+1-2]-1321x2(x31y2)(23x31y2)x2y321751015x232x=32=118.619.83122530325202010ACacac|a+4|+c12=0B31ac2ABA2B1tABOtB4202198%2000_______223BACMABNACPNAQAMMNPQ_______23.775326333______________24x=x+1M25m__________3026.(8)MAMB694/2/10/427.(10)ABCC32BC6AB1AB2PQACP2Q1MAPNCQ23CNCQt0tMNtt0PQ28121OABOOCAOCBOC=12OOMOBONAB11O2ONOB__________22O3ONAOCAOMNOC313O15ONAOCOtA0BC