2020-2021學(xué)年江蘇省蘇州市七年級(jí)(下)學(xué)期數(shù)學(xué)期中試卷

83253228325322622222222222020-年江蘇州市七年數(shù)學(xué)第二期期中測試卷一選題共8?。?.000000007A7﹣

9

B10

C10

9

D0.7

8Aa+aa

Baa

C2aa

DaA13B513C10D36A2Bxy5Cx32+m2xnx

yDxAm5Bm5nm5nDm51xy4A2x+4Bx4xyDFBCDEA40

B50

C80

DAabab

B+bab

2Ca2ab+b

Dab﹣47

2mn2+28722mn2+2872二填題共10小題）a3105a

11x

x1213

2+my14BPAB+15

8

16B+D++＝第14題第16題圖第18題17+2x+318AGBCDBCDDEAB∠EDBABHAGF∠B∠AFD三解題本題9小題共56分

2262xxx2x23ABCADEFC1DEF2AD3PABCCP24.DACDDE∥BCABFDF∠∠AED1DFAB2∠DF∠CDE∠.

2222222222222222222222268xxx4x+x99x4xxab4+945x

+x9

x+x4a

2

a+b

1x5xxx2ABCDxEFDCAECFEMFD48DFMFDF271BACBDDCEEBDFBFC21BACABCACBt

14

t

2BGCBGC

89325322893253226232325236640.000000007A7﹣

9

B10

C10

9

D0.7

8a﹣

n

000077﹣Aa+aa

Baa

C2aa

DaAaB

a

CaaDaA13B513C10D36A3B5+12C4+510D3+36A2Bxy5C

yDx

222222221Axy33BxyCyDxDx32+m2xnxAm5Bm5nm5nDm51x3x2x+6x+6x3mx32m2x+15m63m15m5nxy4A2x+4Bx4xyDxy24y2FBCDEA40

B50

C80

D

22222222222222233mn2+m22222222222222233mn2+mn2+nmnADEADEEDFDEB50ADE50ABCDEAFADE5080CAabab

B+bab

2Ca2ab+bab

Dab﹣4+aa2abCa36

3

6105a

50a5a2a

aa2

2222225011x+4+mm4mx+4x+2m4121260218021260126013

2+my3x+my1412+mymm314BPAB+CPACPAPABPABPBACPACPA+PBA+PBA4545

878777223223228787772232232215

8

0.12580.1250.1258

70.12516B+D++＝210BEF+BFEDEF+30DEF+GFE360210AD+AD+C+G+21017+2x+3x+2

ax+3+22ax+6x

xax

+32a3aa18B

222DEF222DEF19202122xxx+13x52+32xx+1x24x93xxx+2xx7x723ABCABCADF1DEF72AD3PABCCP1

eq\o\ac(△,S)

2423162372DF

2222222222222222222222222222223PC242526xxx4x+x99x4xxab4+945x

+x9

x+x4a

2

a+b

1x5xxx2ABCDxEFDCAECFEMFD48DFMFxDF5a2b5x2ab+bx35+2+2ab252MFDExDFx13

22222222222222222xx348FMDFx3xabx3ax132abab+4ab2+448196aab0a14x1﹣xb+a142828271ABC40BDDCEABEFBFC21BACABCACBttBACt

2BGCBGC1DABEAECA+CFD90ABFCDFC