2020-2021学年江苏省泰州市兴化市七年级(上)期末数学试卷

学年江省泰州市化市七年第一学期末数学试卷一选题共6小）A

B

C3D3A

B

C

DA2a+2ab

B22+3x4Cx43x4

D

+22

a23a0x2A5B1D50acA6B2D41A163032D二填题共10小题）20212020

2674000002671011123+20x

3+513

14xkxyxyy2+315BDABCGDGF16abacac三解题本题有题共分解时写必的骤）171++22020

2|+3

181x3x+112319a2b52

2a

2ab2a13202x+1xx

2x+3211ABC1ABCP2ABC38AC4eq\o\ac(△,A)eq\o\ac(△,)BC22aba+b111+2331322xx23ABAOEAOC1BOD322AOD1BOE

241MNPQMNDCDM4012Beq\o\ac(△,A)eq\o\ac(△,)'B'CCBACB257N2N9541A29101020208302

26EFGH12P+3ABCDtS

ABCD

参考答案一选题共6小）A

B

C3D330CA

B

C

DA2a+2ab

B22+3x4Cx43x4

D

+22

a2AabBx2+3252BCx43xCDa2

+22

a2

bDD3a0x2A5B1D5x2x23a4022aa

C0acA6B2D4abca5bc405bc4+c541A163032D113434D

二填题共10小题）202120212021|2021|2021202026740000026711101111

18034A180341461034

33x411123+20x

3+51

x

3+20x

32y2+5113cm4cmcm9cm4cmcmcm2214xkxyxyy2+32

+12+3x2+122

3xkxy5122+3xy+1232

5122

32y

+332

k+12xyy2232

kxy512xy+3xyk0k815BDABCGDGF

EBGCBGEGBEGBEGBCBGEBGCBGEBGEGBBEGEGB252516abacbc

8a+4b+2c+4b+2c三解题本题有题共分解时写必的骤）171++22|+3216212+217181x3x+1123

1xb2a1x3xxxx141x72x29x6x+1x11119a2b52

2a2ab2a1b2

5ab+2a2a2

+a2a2

5ab2aba1b3ab139202x+1xx

2x+33xxx

2x1+2x6+21+2x41

4x46k6k6

211ABC1ABCP2ABC38AC4eq\o\ac(△,A)eq\o\ac(△,)BC9.5ARPAR2AQ341AP2

3eq\o\ac(△,A)eq\o\ac(△,)4

A

B

C

451322aba+b111+2331322xx22x]+1133[33623x2[2x2]3x4x+82xx+16x+17x1x123ABAOEAOC1BOD322AOD1BOE

AOE902BOD1BOD32AOEAOCAOEAOE9090582AODAOC5AOD5+1801801BODAOC3090BOE+90241MNPQMNDCDM4012BABCEACB

DE2CMN1MDE+PEDCDM++++CED180ACB90+CEDCDM+90CDMCEPCDM90502CMN

CFMNCFCBECBE22CDM40FCB40ACBACAFCBDCF28ACBCA+257N2N9541A29101020208302x15x

214201Bx72xxxA8290+32.4910+8.110+7.210243207243309y20207y252526EFGH1482P+3ABCDtSABCD

162PEPF+PF10x3EFGHEAFBEBEFS1628ABCDEFGHADEFABCD8482PPEx10+104+4PE