河北省唐山市路南區(qū)2022-2023學(xué)年七年級上學(xué)期期中數(shù)學(xué)試卷【含答案】

M4B<WdjnmiSE2022-2023

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1.MM±fl-2‘C?ft+2“C,MfiWW()

A.+2’CB.-2”C

C.+3”CD.-3°C

2.)

A.-15B.-5C.15D.5

3.&￡?5V3xV^x2/+WmM?.btfjf?K()

A./?=1B.b=2C.b=3D.b=5

4.^(-3)ü(-4)?<jitW^M^jE^,()

A.MB.Mièc.D.

5.1+2x=7,?IJxéKHO()

A.-1B.0C.2D.3

6.12000

IWB^-lx^W12000()

A.0.12xl05B.1.2xl05C.1.2xl04D.12xl03

7.^“2x3-5”fêW“2x3+5”iSf??aS,

()

A.>5B.10C.5D.10

8.b??Ji&j?iEf??atl?i()

A.

B.

C.

D.

9.()

A.a+b^b+aB.3a^a+a+a

C.ay^a-a-aD.3(a+b)Jg3a+b

10.()

A.è2+x=3ffx=3+2B.él2x=3x+4f'j2x-3x=4

C.è3x=2Mx=-D.éx=0f#3x=3

11.().

a-10b?>

A.a>0B.b>\C.a-b>0D.|a|>|&|

12.wmi1.(>

*-X-—3---*|

A.jr+5xB.x(x+3)+6

C.3(x+2)+x2D.(x+3)(x+2)-2x

13.2BM?

14.-6x2y2aù?^^Jè-

15.bTLWrWfr,Ma+b-2=.

16.M

(▲+?)X■.

17.aéKJWü|?-3|=.

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0--------3a

18.$nlü,K^ABCD^,A￡=4cm,AD=6cm,M.C|iWtH￡,

^üffl|HjmT,?^2cm/^)t=

t=___.#.

AD

M

B<-----NC

19.ilM:

(l)10-(-9)+(-4)-5;

(2)-6x(-7)+3-e-(-12).

20.?Jg:3(3x+5)=2(2x-l).

21.MWftWU?mUB,C,D,%&AD=6,B,ftlffl

(l)fiC=;

(3)^￡cFWt??W>9-io,jfctH^A,B,Dmm?.

22.zj<R^?éEf?-ia^i=ii>*±a<j^^0^,

i+￡:(5a2-2a-l)-4(3-2a+a2).

IW:lM?'i=5a2-2(7-1-12-8<7-crM—

=5?2+a2-2?-87/-l+12M—

=6a—6a—11.M—/J?

(1)Bfti?RéK1,tH?W?t.

(2)i#^tHlE?i-t-Jmf?.

(2)^n^?m4>Wa?^>t^^

(3)^H4'fflMWêfe^Jn2020?fé.

24.M,??±WH^|?WAA.B,C,.^C^MS^IO,O'^J^,^,A,fiütS?fjra

11

AOBC

(2)7*,*P)K&AHj￡,l^W'2WSJ?.A?W^M&SlOf?2fê

Ht.>￡,￡.PWüsi?üntl'iJ].

25.Ef,^IWRIJ?OJtHW-A§y,sWiWWTWfà.(1)iS?

W?,

A§y81

RIJ?i

^Wi/r1S^■mkAM

kfJ1007E/ra107ê/?110?/n2007C/r?107ü/n_____7ü/r?

Z.1207G/n^.15^_____7G/n190?/è12?/n_____?/n

￡￡BH+?I^±^A3^?WOOe,J^A^wW^xér.

(2)W?fflWx?

(3)Sx=60t,i#?iéit<^&T^!J??]?:

??(1)

?m^-.WHWJ

1.D

2.D

3.A

4.A

5.D

6.C

7.D

8.D

9.D

10.B

11.D

12.A

13.1

2

14.4

15.-2

16.-1

17.a-3

18-2.547.5

19.(1)10

(2)41—

4

20.x=-~

5

21.(1)2

(2)*A,C,D?g.2>2>4,Wg4

(3)-34

22.(1)—

(2)a2+6a-13

23.(1)4,13

(2)3/?+1

(3)M673202()

24.(1)￡A,