學(xué)年福省三明市寧縣七年第一學(xué)期中數(shù)學(xué)試卷一選題（小題每題分滿40分。小題只一正答，在答卡相位填。A

B

C

D822A8

BC

D32

A4.982

B4.9821010

C109

D4.982

x120A5

B4

C2

DAaBaaC0D3x3

y+12A2babB6m2

4Ca+a

D5b22ab2A

B

C

Dxm3xynA0B1CDx3

+3+48x3

A0B51D310

n501n25631n781nA1

B2

C4

D二填題共6小，每題分滿24分11202112

13akg30kg14B151612633n

n三解題（本共8小題滿分請將解答程在題的應(yīng)置解應(yīng)出字明證過或算驟17116+521239

1642022[232]18x

2

y2x

y5xyxy2192

20+44+72+3511）+71114+7253]21152610月7

+18

10

+6

+11

6

+71

2722BN500A

/

/

B7Ax1x2x3300232ac1

22313243ABM2/AQ/B1

M2QMPN

3t

PA+QAt

P

參考答案一選題（小題每題分滿40分。小題只一正答，在答卡相位填。A

B

C

DAD822A8

BC

D32880022402902DA4.982

B4.9821010

C109

D4.98210n49824.98210

x1

20A5

B4

C2

Da2

202

CAaBaaC0D3x3

y+12ABaaCD3x3

y+124CA2bab

B6m2

4Ca+a

D

b2

2ab2AabBm2

2mn2

C.3a4D.3ab2522DA

B

C

DCB

xm

y

24

y

nA0B1CD2m4mxm

yxynm23mn31Cx3

+3+48x3

A0B51D3x1bxax+4a+3b+48a+3x1bx+4ab+4ab010n501n25631n781nA1

B2

C4

D

n15631n6n61C二填題共6小，每題分滿24分1120212021

12

13akg30kg20a+30b2020ab3030b2020kg5020kg30a+3020+3014B

0123n0123nBB515

1612633n

213A4nn+1三解題（本共8小題滿分請將解答程在題的應(yīng)置解應(yīng)出字明證過或算驟17116+521239

1642022[232]2

3

1041160266310

1616160+1159429171+18x

2

y2x

y5xyxy2xy6x2105xyxy512

210192

22

2cm320+44+72+3511）+71114+7253]1214

2[03]535+3821152610月7

+18

10

+6

+11

6

+7110

27271109158148154148614927722BN500/

/

AB

Ax1x2x33002AN330021x500xxBxx500x35002105009x+xx330023500x+15001800x2900232ac

1bc2ac+222313+23+1bc+3abacbc+3ab23ab2ac+2bcab+22+bc

aacac2bc2bcac243ABM2/AQ/B1

0.52QMPN

2.53t