遼寧省葫蘆島市高橋中學(xué)2023-2024學(xué)年七年級(jí)數(shù)學(xué)第一學(xué)期期末復(fù)習(xí)檢測(cè)模擬試題含解析

2023-2024

1.￡$WOW?W,￡aU?￡W±^o<&￡?&;

3.WifiM/FM?fa,4?M??_t?&

-,&&g(?/b?3#,^30#)

1.^?y”y2^-2x3/^{J5^?,JWIrt"'^()

A.-8B.-9C.9D.8

2.V8?tfjTOO()

A.9B.9^-9C.3D.3^-3

3.Jg^tTh2019^±￥^f?<^tè/c￡itBn1.S^MTü,“1.5fa”()

A.59.5xl()9B.59.5xlO10C.5.95x10'°D.5.95xlO9’

4.a^^A^Pa-^jt^JüüT^^+^J?r^P?^&AB^^MfcW()

?AP=BP;?.BP=AB;(3)AB=2AP;(4)AP+PB=AB.

A.14*B.2^bC.34-D.4^

5.iOStfp?Wfrf?iM,1EM>()

4400000000A,)

A.4.4X108B.4.40X108C.4.4X109D.4.4X10*°

19

7.tf,()

4

‘HW-mSO(T)

z-‘I-‘I-T+i+‘P-‘z+￥MW)￥W3tMW^W4￡

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18.(85?[W>W^]:

?±,&A,b,JO.BWaf?f?&AB=|a-Z>|,A,B?*&P^Mk%^-,

^&AB±<-￡P(guān),%PA=PBtt,B?tt±A.

(a+2)12*4+|Z>-4|=0,P^tt±-^?.

A

4

(1)a=,b=;

(2)^AP^SABW^à,jQüp^?w^^^..gBMA/’f?WMpMêf?M_____

o)%&A.M?iww.Mm3ww.jüij^a^wi’B]

?BJê±O?(^J-7ü-&#gWffiS)?iWaB?n_____

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tiA>tis,(M^

m^.)

19.(85?gocüg.?fflè^5fctt2^.ZlOlAlM?

S,^JWrEfê^flfcTK^.

20.(85?M.<^/±WA.Bffia,^AB=10cin.^C^^ll.,aS?BC=4cm,

___________________________I

A___B

21.(85?M,E.Fft?t?ftBaAB.CAlMti,DF//AB,DE//AC,^mZFDE=ZA.

"DFHAB,()

.'.ZA+ZAFD=180°()

’.’DEIIAC()

.’.ZAFD+Z￡DF=180°()

:.ZA=AFDE()

‘Z=u

roi

?>Wu,U

WWWWt?“???èI?’^felWLJ^fiiti‘?WWttWu^￡^-^z^lux?W[^l

aKi

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D3a

Wfisa

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a

m3

#flUn=2=8,

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2sD

[WMljS:Vs/8?=9

.’.>/8?WWt?ft3§￡-3

WfeD.

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3>D

LW1M^lsg|a|<10,n?.MOWaBf,

a^WOlOBt,n&E&Ht,

n??.

[WJ59.5￡,=5950000000=5.95xl()9

tilfàD.

[aBfl

4sA

rmfrxmH^AP=BP,

^PPTt?Ma^aBA?<J3ê-K^±K?^A?ü-tl,jlfcBt1èW?AB=2AP,

M,S^aP^&A0±ffig:-aitfAP+PB=AB\§M.,

5sA

[W1W:MjEWWOmro>A.

A.

Lam

??H?S,

6,C

Kal<10,n^M.SIMMOO?aW,

n<?.

[WW]W:4400000000=4.4X109,

MC.

7,A

19

(1)x>lBt,(2)x<lftf,—Ht,^AW<x^/>HpnT.

4

19

[WW]W=(1)x>m,y=—Bt,

4

119

—x+5=—,

24

m*=--(Wê?).

2

19

(2)x<lB},y=—B},

119

-----x+5=—,

24

l?Wx=-

2

A.

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8>B

rwi?$mfc5￡f??BPnT.

[W1è?:n^>bW^èùA/JsW?è^MW^10m+n

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A.

[affi]

10,c

2

[W1AMx-^x’^>RI^,AfcA?^;

232+35

BM=x-x=x=x*x%&B^;

CM:X64-X3=X6’3=X3,i&CiBI;

DM:(3x3)2=9x3x2=9x6^6x6,

rft?:C.

[￡?]

Jüü.

-,?<h?3#,#18#)

11,5x4+3x3+2x2~x—1

L##f]&#?M,

[Wfê]2x2+3x3-x+5x4-l2x2,3x3,-x,Sx4,-1,

Sx5x4+3x3+2x2-x-l.

5x4+3x3+2x2-x-l.

12,1

[fê^f]M:2X2+4X-3=2(X2+2X)-3=2X2-3=1.

13,-1.

rwiftj^r^??-3(^-n)-5af)^^,

[WJ?.m-n=5,

:.-3m+3n-5

=-3(m-n)-5

=-3x5-5

=-15-5

=-20,

-20.

14'9

(WJm,nf?fé,RAm"BPnr.

[WJ

m+1=4

.'J,,,#êf?/n=3,n=2

il-1=1

2

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9

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15'-2

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[W1V4-2=2,￡4?￡?<?&,

.-.aA^MM-2.

^^-2.

[alWl

M&Tlfi??jiO,

16'~a

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[WJM:MJgJimf:a<o<b

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8Zh?,￡72fr)

17.(1)(1)2.67F-

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f?inMisff.BP^:+2-4+1+2-1-1-2éKJ^D.

?ams.wot.

[WW]W:(1)è?BW:

+2-4+1+2-1-1-2

=-9+8

=1

?^?i?-wiit,?amêikm.

(1)s,muS=|+2|+|-4|+|+l|+|+2|+|-l|+|-l|+|-2|+|-l|=18

VW&l^XO0.17F.

18x0.1=2.6

3EZW1è^M^JM(^0)￡=O2.67F.

(1)?HiMf?iW#.S?&HjM￡lkni;(1)2.674-.

[?]

18.(1)-2.4;(2)1.10;(3)eü3MB?a±^z4.jttHtA(4)—S.—5.—5

333

[W](1)M^^^MWBPnT;

(2)W^SBP?T;

(3)^Jffl^AWf?g+ABTO^B^T?.^JtU^t+6=3t^ttit,￡B4B?ljf?BPnj;

(4)ts,?ffl“t”^A.B.?aA^aP^aBM.PA=AB,

4-t-(-2-t)=-2-t-(-16+2t),PABBPAP=PB,^^-16+2t-(-2-t)=4-t-(-16+2t)?aB

AWBPAB=BP^^g-16+2t-(4-t)=4-t-(-2-t)W^BPR?.

[WW1W:(1)v(<z+2)2+|h-4|=0,(?+2)2>0,|/2-4|>0,

.’.a+2-0,b-4=0,

.’.a=-2,b=4,

-2;4;

(2)‘:

.?.4-x=x-(-2),

,*.x=l,

VBAPP,

.'.x-4=4-(-2),

.’.x=10,

1>10;

(3)??:

AOH

t+6=3t,

(3-l)f=6,

r=3,

4-3X3=-5,

.?.^ié3^sia±^A.

^a3^Bia±^A;-5;

(4)WêSùaWfa]^tS,

P^^-16+2t,^A^zF-2-t,B4-t,

PA=AB,

4-t-(-2-t)=-2-t-(-16+2t),

3t=8,

8

t=—5,

3

??P^?A-^^B??^^,BPAP=PB,

-16+2t-(-2-t)=4-t-(-16+2t),

6t=34,

17

t=—s,

3

?^B^jaA-WAP+A?BPAB=BP,

-16+2t-(4-t)=4-t-(-2-t),

3t=26,

—I-------------------1------1_______I?

I?A0B

81726

-.V>—.V>---.V.

333

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MfflOS,-%-Omt?S,￡§#?!$?,

M,M?MM,-Tü-^S^^ié,>R?W,

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twiMz.mci:?-￡ffl(x-2)

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fa-fax=6

?^wrEWfffl&wraj^6^.

2(RBP^J-^^lcm^icm.

?^tHPCmc,g^BPnl^LHBP&J-&.

[WW:S?C?mABXltf,Ml:

4----------------------1----------------------1---------------------------------------------

ApCB

’:AB=U)cm,BC=4cm,

.*.AC=AB-BC=10-4=6?cm'),

’.'P^^AC^^,

11,

:.PC=-AC=-X6=3(c/n)x,

22

:.BP=PC+BC=3+4=7(.cm)-,

^tic^&ABW^ti?,$n^2:

APBC

^2

\’AB=10cm,BC—4cm,

:.AC=AB+BC=10+4=14(cm),

‘.'PXfa&ACtfy^fc,

11z,

:.PC=-AC=-X14=7(cm),

22

.\BP=PC-BC=7-4=3(cm)-,

7cm3cm.

21,B&;?O*VH?.B$D;iOaffi?,

[i#WlJW:vDFIIAB(B&)

.*.ZA+ZAFD=180°(