2020-2021學(xué)年四川省成都市武侯區(qū)七年級(下)期末數(shù)學(xué)試卷

學(xué)年四省成都市侯區(qū)七年（下）期數(shù)學(xué)試卷一選題共10個小題每題3分A+23

B82

x

C32

294

Dxx

xA

B

C

D14FinFET3.50.000000014A1.410

B14

C10

D1493次6A1B

C

DABCDCEF61AA29

B61

C

Dxyx+A242012D8ABCA50CCcm30

B50ABDcmA30cmxcm0ycmyxA

Bx2

Cyx

Dyx10x336mx2

+9x

A

B

C

D10DABCCBEBCADAEDEDABEACA20

B15

C10

D二填題本題5個小，小分共分，答寫答卡）11m6xn

xm122xxy13eq\o\ac(△,Rt)90ABDEABAGAGCABAB14a2

a0

+

15ABCEBCACBDCDCEADAEF三解題本題6個小，分，答程在題上16

122+22xxx1171[22+2y2]x2y32x2m22+|nmn

3x+22

+ax

18ABDEDFBF1DEF2CSDE1960km123

60

2011ac2ABCDEFGHNPQ2c21PMONPAONOMAONBPBCACADPBECD1AOBPDF2OBAEAO332CECHAEHaBECDHab

參考答案一選題本題10個題每題分分，小均四選，中有一符題要，案在題上A+23

B82

x

C32

294

Dxx

xAxBx82

x

Cx

4

Dx32

xCA

B

C

DABCD14FinFET3.50.000000014A1.410

8

B14

C10

D14

91083次6A1B

C

D3

43464DABCDCEF61AA29

B61

C

DA180AEDCEF61A180119Cxyx+A242012D8x+

xyxy4xy2x+

+4224ABCA50CCcm30

B50ABDcmA305060B50ASAABCCABBABC

DAB6Acmxcm0ycmyxA

Bx2

Cyx

Dyx10xcmxcmx010cmyx10D336mx2xA

B

C

Dx22是x6032606mx+910DABCCBEBCADAEDEDABEACA20

B15

C10

DABCBACABCD+

D60DADEDAEDEADAED18040EAC+DAE2070C二填題本題5個小，小分共分，答寫答卡）11m6xnxmn3xmxm

x6122x

+4xy+2

4xxy+22+2y2xx+3x2913eq\o\ac(△,Rt)90ABDEABAGAGCABAB

GAAFBFAFEC90AGeq\o\ac(△,Rt)eq\o\ac(△,Rt)AFGeq\o\ac(△,Rt)eq\o\ac(△,Rt)

CEFAEFABDCFDBFDCFDCEFAEFABDCFDBFDCFDADAC52AF101014a2a0+a2a0aa5

a

a

25a2

+

2715ABCEBCACBDCDCEADAEF

AEFCEF2AE2S3189S99

三解題本題6個小，分，答程在題上1612

22+22xxx1141+9192+22xxx122

x22

+10171[22+2y2]x2y32x2m22+|nmn

3x+22

+ax

142

xy+

x+222x3xxy3yxy343182xx3ax22+2ax

x

a0am223|m2nm2n3a

mn

323318ABDEDFBF1DEF2CSDE1+CF+CFEFDEACDFBEACBDEFABC2DEFDE6

△112△112AB96CG31960km1

23

601m602402th

kmt

802hh3①60t60②t+10080h3100100km

3+

h

2011ac2ABCDEFGHNPQ2c1cb2EHHGFG2CB4cc2

22c

3c2102

c21PMONPAONOMAONBPBCACADPBECD1AOBPDF2OBAEAO

332CECHAEHaBECDHab1AFAOBPAOCADCAOADAPeq\o\ac(△,Rt)eq\o\ac(△,Rt)APFeq\o\ac(△,Rt)ADFeq\o\ac(△,Rt)APFDFPF2AE+BFGOBAOBPGO