2023-2024学年江苏省苏州市昆山市七年级（下）期末数学试卷.pdfVIP

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23-2024()

:8,3,24.,.

2B.

1.(3)0.00085cm,0.00085()

A,0.85x103B.8.5x104C85x10D.8.5x10°

NS(3)()

A,2a?+2a?=4a!,2a2-a2=2C(3a2)?=6a!,2a2*3a3=6a5

E(3)a5,()

A,1-a1-bB.a-1b-1Cc.oD.dv

(3),()

Q.,,1=2,12

,D.=,z=y

5.(3),EAABCMADEFH,AB,F,C,,B=L,AD

BF=EC,,A4BCSADBF()

A,AB=DEB,AC=DFC.LA=ZLDD,LACB=ZLDFE

6.(3)*:,,

,,,.:,.9

,2;9,,,?

z,y,()

4+92192y9cf-9=2(y+9)

la9y+9La9y9Lz+9y9

D[2+9=2-9)

9y9

-22

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7.(3)aB(a,

atb=6,ab=8,()

A.8.5B.10C18.36

8.(3),A4BC,DBC,4C,A

EC=2AE,AD,BEFAF,AAABOKHMARA2,CDFEE

()

C

A,8B.9C10,11

:8,3,24..

):8a°+da=

1.(3

2.(3)140,

3.(34)em{roe3z+y-10,m.

4(3),a,Bc,Ball,1=34,2=85,L3=

5.(3)2m+n-2=0,9*3.

6.(3)4BCDB,,CD,4M,1;

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