文档介绍:该【2022-2023学年宁夏固原市原州区七年级(下)期末数学试卷 】是由【cby201601】上传分享,文档一共【18】页,该文档可以免费在线阅读,需要了解更多关于【2022-2023学年宁夏固原市原州区七年级(下)期末数学试卷 】的内容,可以使用淘豆网的站内搜索功能,选择自己适合的文档,以下文字是截取该文章内的部分文字,如需要获得完整电子版,请下载此文档到您的设备,方便您编辑和打印。:.
2022-2023
324
1.3
!"#$%&'()*+,-./0123.45*+,-)6789:
*;0<=,-******@COC:(DEABGCH
0I=b//c,******@c&'(.L
MNO):
2.3
-8)UVWX
.-2D.±2
3.3
Z[\]^_X`abcdef)]gh)ijklmMabcnop
qr)tVuv wMxy$“{:|}~,*0|~},
t*.|~,
”$“:5|2~10*02|5
~8*.|~*
”|x*~y
*4!i)VuMNO)X
f5x+2y=10Df5x+2y=8
2x+5y=82x+5y=10
fx4y=10f5x+2y=8
Lz.<Lf.<
2x+5y=8Ix+y=10
4.3
 ¡i¢£50¤¥¦¤¥¦£120§§24¨.©
pª«¬¢)­®¯j°±²³²´)Vµ!¶)³·¸¹©º­»)
X
A.¶¤¥¦¼dª«
B.¶¤¥¦)§ª«
C.¶¤¥¦)§M)2¨½/ª«
D.¶}¤¥¦¤¥¦M¶}§§¶2¨½/ª«
5.3
¾¿ÀÁ;ÂÃÄÅMÆÇÈÉÊËÌÍLhÎÈ)ÏÐ)ÑÒÓ
ÔÕ±
A.+nÖ×ØB.ÙnÖ×ØC.Ú-Ö×ØD.ÛÜÝÞÛ
6.3
àáPâ)4ãX64TT,¬Pâ)äå©
7.3
Áè
é:7ê8!LMëì23ê2!xí3,2
,Eï26
ê5!Þxí
:.
A.6,5
B.5,6
C.3,6
D.5,2
8.3
Wð“a)3ñ***@2)ò&ó6”!i)&ôµX
+++2>+2V6
ùú324
9.3AB//CD,CD//EF,E:.
io.3
a)]^.VWX
16
11.3
|3-m.
12. 3
+6=4,-6=0,ij2=.
13. 3!A#$%&'(35*+/e./B#12!3456'7(
89:12!;/$%!.<=9:>
14. 3?***@AB[xEFIH>
[x<3
15. 3JKLM=NOPQR.
16. 3STPVWXYZ[\]^_^`abc6'dSe1fghTd
SiT 1,1,e2fjkdSiT 2,0,e3fjkdSiT 3,2l_mn
17. 6Hpqf6rBsJ2x_3y=1
13x+2y=8
18. 6H?***@As2tLzp1.
2~3
19. 6}A8CV6[\]^.:.
(1)}ABCT[\;
(2)}ABC'W2.'W3.&
V
->
X
20.(6)VX.
A87CO/TO,NC=ND,sNA=NB.
s
VZC=Z>()
//BD()
AZA=ZB()
21.(6)¡¢£LM¤¥¦§p¨©ª«¬­®¯_°­±²Y6(
)s
³´µ¶s
(1)·§m¨¸¹¤f¬­º
(2)°­±²?»20¼¬­fº
(3)°­f½¾±²¿À;
(4)°­f½Á±²¿À.:.
22. 6ÂhÓÃÅÆK”¬­;¡ÈjiÆK¬­ÉʤËLMÌi
LMbcÍ^ÎÏÐѬ­Î50ÒÓÔÕLMÖ×µØÙ:
1mÈ“ÃÅÆK”jiÎÏ°6X¬­Î¾ÁÛ
2ÜÝM“ÃÅÆK”Þß _52ÈMàjiÆK¬­á>¾ÁÛ
âãH×Ùs e23ã24Ù8e25ã26Ù10¸36
23. 8AO*8C,/C4EWKAO,ZC=65".ÒÓMà/D4EãZ
CA87NBç.
24. 8¡èéê£ëiìíîïðñ¢£ò·óôÖ§6õö÷÷³
&øñÍ·¢£ö÷.ùúû¢£3üýþÿ8
5
3.!"
!
25.%10()*+,15-./05-)/123453256789:;<=
>?)****@HIJK10-./05-)/L12345
-./0-)/11NOP45!Q)****@ARS-./112O:.
P4518-206-)/112OP457-8UVWX)****@ARSYZ[!
26.%10(]^_`,abc“efg+hija”lmn)oSpIJ.)
qrs"u80x)qrsu60x.
%1(QIJ.)qrsy?3z1220xMIJ.)qrsNu!
%2(QI{)qrs|}:.qrs|}~.qrsI{u!:.
2022-2023`,a,o%
(|
%)3"24(
1.%3(
 ¡¢£
 ¤¥¦§¨
©ªQA8CO«¬­ljAB®C¯Qa®4b//c,­c.°
±²Z%(
³´µ¶ ¡·¸¹º»¼½¾¿N²ÀÁÂ.
³´Ã ¡ÄÅÀ_ÆÇ£
 ¤
¢£
 ¤¥¦§¨©²Z¹ ¡©§¨
ªQA3È«¬~AB®CDÄÅÀ_ÆÇ£
 ¤
¯Qa®6b//c,~Èc,µ¶ ¡ÊËÌÍÎ0Ï7
 ¡ÐÑ ¡Ò²Z.
Ó²Z2u.
ÓB.
³¬Ô´ÕK ¡¾C ¡ ¡ÊËÖÌͧ×Ã
Ø ¡¾C·¸ÙÚ_3.
2.3(-8ÛܵÃ%(
.-2D.±2
³´µ¶ÛܵCÝÁÂÞ.
³´-8ÛܵÃ-2.
ÓC.
³¬Ô´ÕÛܵ§×òZËÛܵßàá:âãä.
3.3(åæçèéêÃëgìíîï èð»ñòóô±gìí|õöK
÷øù¨.°±úÜûüý±þÿ“
.
”“5210
25
8
.!"
”x
y
#$%&'()*+,-./)012:.
Af5x+2y=100f5x+2y=8
I2x+5y=812x+5y=10
x+y=1015x+2y=8
>2x+5y=8 lx4y=10
ABCDEF“5210
.258
” GH2IJ
KLM NO'(*+,.
APQDP1x
1y
RSTOG U+2V1°,
12x+5y=8
YZA.
A[\D]S^_R`aSbc(def*+, PQ]S)Lg0h/ST '
(ij)*+,.
4.3B2klmnoNp(oeqmn r50stu stur120v
yz{|qmn)}~ bb_)* %'Z
)] x})
012
-estuz{
estu)evmnz{
estu)evmn-)2wz{
stu stu-Z
v vZ
2wz{
ABCDEFb_)]K OGQ.
APQDPA]K YA}ST
B]K YB}ST
C]K YC}ST
]K-  ¡ Y}ST
YZD.
A[\D]T^_yb_)O¢ £T]K ]K¤
¥¥ .
5.3B2¦§¨©ª«¬­-®¯° ± ²³´ µ ¶·¸°)¹K)ºB» j
¼½12
A.¾¿ÀÁÂB.ÿÀÁÂC.ÄÅÀÁÂD.ÆÇÈOÆ
ABCD§BÉÊË)ºB» EFÿÀÁ§)0BÌÊË-ÍÉ)
ºB» NOZÎ.:.
APQDPEFST G
ÏШ©ª«¬­-®¯° ± ²³´ µ ¶·¸°)¹K)ºB» ÑZÃ
¿ÀÁÂ.
YZB.
A[\DÒSEFÿÀÁÂÄÅÀÁ¾¿ÀÁÂÓ)Ô[ÕÖ×.
ÚÛeIÜ)&Ý064m#$|IÜ)ßàx12
ABCDÜ)ßà0H,G(*+7iR2=64n,ê(NO.
APQDPÜ)ßà0R,
ëijTTR2=64TT,
P=64,
R=±8,
ßàx.î
R=8,
YZA.
A[\D]S^_Üïð*E)j Lg0ñEFSTG(*+.
¨òó1e2ô7õ8' ¶-ö÷Ì3õ2' øù13,22,úûÌ6
õ5'Oøù12
,,,,22
ABCDRüý¾þýÿ .
65 #$
%6,5(.
)*A.
+,-./0123456789:;<=>?<***@AB
CDE.
8.%3H(IJ3KL2NOPQ6” SOTUC%(
+++2>+2<6
H_`3Ka3a,OPQ6ab6,Jc OTU.
3a+226.
)*:.
+,-./0***@AdefSghgiOTU45jkDElmn
opqrs;NOTDtCDE.
uvwx%yP3Hz24H(
9.%3H(AB//CD,CD//EF,|:ABHEF.
H_IJ“~Qg>~”
a.
,JAB//CD,CD//EF,
.AB//EF,
)
AB//EF.
+,c./0~9#“Qg>~”C
DE.
10.%3H(_q~IC2.
16g
H_q~I2Bg?<~Ia?<q~I
ca
S.
~
416
-q~I.
164
)
3.
4
+,c./0q~I2Bq~I ¡L~I ¢£
¤¥¦§¨.
11.%3H(|3-m«<C3-n.
H_­®¯=°±²r³IJ«<2B´qa
S°.
|3-7l|=-%3-7T(=71-3,
IT-3«<-TT-3(=3-n.
)
3-7T.
+,c./0¯=°¹<B«<2Bº»¼½¾2BC-
DE.
12.%3H(¿`+6=4,`-8=0,|2`=4.
H_Á¿TUÃÄÅÃ>ÅÆa
S2a°.
ÁÂÇa+bug,
la-b=0Ë:.
Ì+Ë2a=4.
)
4.
+,c./0uhgiÅÃÍÎUÆϺ»¼ÅÃC
-DE.
13.%3H(ÐÑgÒÓAÔÕÖ×Ø35`ÙØQ8ÔÚÛÓÜÝ®×NØ
ÞßàÚÛÓ=QÕÖÓ3ßàBÓAÓáâã60äØÞA
Ó35nmile.
H_IJåB­®×åNØÞa.
IJåBBÓAÓáâã60°,ØÞAÓ35`w7e,
)
BÓAÓáâã60°,ØÞ4Ó35`Æ/e.
+,-./å9åBÍ­®åNØÞ3C
êdDE.
14.%3H(OTUÃÇxì-I-14V3.
1x<3
H_IJyg?OTUï
Szïa.
OTUÃï-lWx<3.
)
-lWx<3.
+,-./0OTUÃï“ðñðPñPðPPðòóô
ððPPôOõ”ö|C
cDE.
15.%3H(÷ø´ÑÍ«ù<úûüÍýÏþÿ..
.
.
.
! "#
$%&'() "#
*+.:.
-.
$/0123456789:
9;<=>?***@A/$B1CDEA
/FG1,1,B2CHIA/FG2,0,B3CHIA/FG3,2J:KL
A/MNOPB2021CA/Q$/P67'G2021,1.
R-G72112
STUTJ.
o]2,Qi4,0m8,010,012,0x
VW67XYZ[\]^67_C`a$b67'1,0,2,0,-4
]c]de$fghOPB2021CA/Q$/P67.
VW67XY(
B1CDEA/FG1,1,
B2CHIA/FG2,0,
B3CHIA/FG3,2,
B4CHIA/FG4,0,
B5CHIA/FG5,1,
:KLA/MN$
Z[\]^67_C`a$
b67'1,0,2,0,4]c]de$
=20214-4=505-1,
=OPB2021CA/Q$
/i67'2021,1.
:2021,1.
!kMNl-67$n%&'VW67XYopMN.
qrG\s6$t36-
-uvcC?wxf2x~3y=1.
[3x+2y=8
?wxyz{|v}~.
[2x-3y=,
I3x+2y=8
RX2+X3,h13x=26,
hx=2,:.
x=2$h6+2y=8,
hy=l,
?wxx=2.
1y=l
!kuvcC?wx$yzk|v$|v?}|v
}_{|v}.
18.(6)au1.
r$ $¡Q¢£¤¥ .
(1)$h3(x+1)W2(X-1),
$h3x+3W2x-2,
 $h3x-2xW-2-3,
¢£$hxW-5.
!kcvcCaª«a¬­cvcCa$®¯
°?}_cvcC?w®`¤$±.²³´Rµµ¶ µ·
¢£¤¥ µ¸Y81.
19.(6).
$º4BC1?¾
6789.
(1)¿ºABCÁ67µ
(2)ºABC@²22]ÃÄ$Å@Æ23]ÃÄQºAiBiCi.
(1)yz67È>?}¿ºABCÁ67µ
(2)yz267XÉMN¿AirBiÊ67$¡QË.
(1)A(0,4),8(-2,-2),C(3,1)µ
(2).
$ºA1B1C1=°.:.
y
!k°
-2XÉ°
ÍÎÏpF
Ð%&$ÑKÒ]%
&:Ó2?@ÔÕÖ×ØÙÚQ$ÅÛCÜHÙÚhF2Q
Ð.
-1²3Ý$Þßà᪫.
.
$ABÔCD`âãO,NC=ND,~äZA=ZB.
äå
VZC=Z">æ(-
//BDGÝç5`a$è4 2é-
.AA=ZBGè4 2é$Ýç5`a-
ê2é ëØØáÝç5`a$è4 2éhACìB",Åê2é ¬
­h
äåæ(-$
µ.ACìBÊGÝç5`a$è4 2é-$
Gè4 2é$Ýç5`a-.
í(µÝç5`a$è4 2éµè4 2é$Ýç5`a.
îÎ!2é ¬­_ëØ$%&'ïð£ñòAz2é ¬
­_ëØ.
-ó¤ô"#kõíöu÷øùúûüåýþÃ$:ÿ
::.
1102;
2!"20#$%81;
3&'(%)*+0,5#$
-#./1
01#2%&34567
28&9:20,25#$%&567
3&'(%+;27
4&'<%+;=2.
-?@/?1
&A30+23+13+15+21=102
B
******@DA1027
2!"20#$%&A102-21=81
B
******@DA817
3&'(%)*+0,5#$B
******@DA0,5#$7
4&'<%)*+10,15#$B
******@DA10,15#$.
-EF/GHIJKLM&#NB?H%OP+QRST2%UV&R.
#
WXY%“Y[\]”_`abcd%\]ef#ghiBSd
%hi&R jkBlmnOop%n50BqrQRsthiu@vH:
1ab“Y[\]”cdnOwx%n(<y
2Rz{iB“Y[\]”|}~52ai
cd%\]A(<y:.
-#./1
QRnOop%&l
jS\]8&B
8&nOw_
&j7
2
GmY[\]&8a&56.
-?@/?1
ab“Y[\]”cd\]n50+^=250
B
360
jab“Y[\]”cdnOwx%n250X==25
7
360
2
250X52=13000
B
@{i“Y[\]”|}~52ai
cd%\]A13000.
-EF/GHIJKLsthiBhiB!%himSd J%¡¢+
?£vH%c¤¥¦#8V%§#¨©.QRsthi%
ª«iT¦#j%§#.
¬­?***@H;23­24H8#B;25­26H10#B36#
23.8#
BAD//BC,NC4E%³#]+40,ZC=65°.qri/D4E­Z
-#./QR³f]%º»³#]%¼½¾?56.
-?@/?'.,AD//BC,NC=65°,
BND4C=/C=65°,
C4E%³#]+AÀB
4y=65°,ZCAÂ=2ZZ
AC=130°,
'AD//BC,
.Ã.NB=/D4E=65°,:.
VZCAB+ZCAE=180°,
...NCA8=180°-130°=50°.
-EF/zHKL³f]%º»BÅÆ“Ç]³fBbÈ3É”“Ç]³f,
Ê3É”+?H%OP.
24.(8#)`ÌÍ©ÎÏdÐÑ%ÒÓBJ#ÔÎBÕÖ×uØÙB
ÚwÛÔlÎÙ. ÜÝÞÎ#3GBßàá8G7 Üâx%ÝÞÎ#5
GBßà'ÚÞÎã#!d3G.ÐÑ%ÒÓn(<Gyn(<ÞÎy
-#./QR ÜÝÞÎ#3GBßàá8G7 Üâx%ÝÞÎ#5GBßà'
ÚÞÎã#!d3GB63%!Éä2BåÚQRæ&Aç&Bè6
¾Sn(<ÞÎBÐÑ%ÒÓn(<G.
-?@/?énxÞÎB
êHë6SB0W3x+8-5(x-1)<3,
?,
Aç&B
*.x=6,
3x+8=3X6+8=18+8=26,
@ÐÑ%ÒÓn26GBn6ÞÎ.
-EF/GHKLì!Éä2%B?***@GH%OP+íîHëB3%
!Éä2.
25.(10#)©íXn15ï¨ðñ5ï©ðBÝòóô325õ7=ÚBêö÷øù
úûB©íüý£¼þ¨ÿ10
5
550kg.
1!
1
18-20" 17-8kg,#$%&!'()
*+,-.
1 1/g01“15
5 3252310
5
550"”56%789x,y&:;<=>?@AB56%7
1C
DEF&!GHIJ6%7&!K'(.
*AM-AN.
1x" 1>P
"QR%N(15x+5y=325,
I(15+10)x+(5+5)y=55C:.
A%NJx=20.
Iy=5
V5<7,
&!K'(.
MN
120e 15"&!K'(.
*fg-hQij:;<=>?@&kl'mD8no(p7:;<=>?@
qAQ&8r.
+uvwkxyz{|“~z”&
!
K&
17.
80;60;.
t1u&
1220;&
t2u&D9
&D
*+,-t1u.
xy=D 
¡17¢£1220;56%789x,y&:;<=>?@AB56¤
7
¡&D3
t2u.
¥t17-¥u01&
D9
&D56%789m&<;<=Km§AB56%7m&¨G©
ªE¨«¬&­G56%7
9.
*AM-ANt1u.
xy
"QR%N¯°"
l80x+60y=1220
A%N¯=1°.
1y=7
MN
107.
t2u.
¥17-m'
"QR%N17V/%,
A%Nm>XL.
2
¶¶¶·vo­
¸&Gv9.
MN
9.
*fg-hQij:;<=>?@&k¹º<;<=Km§&kAQ&8rqNt1u
l'mD8no(p7:;<=>?***@3t2u01DB»&8no(p7<;<=:.
Km§.