235333336222235333336222222222222學(xué)年湘教版七年數(shù)學(xué)下冊(cè)期測(cè)試卷一選題共10小題，分分每題4分x5y9xA

B

Cx

DyACAaaCxx

BDByD+xxbAabab

BababCb

2ab

D+a+abA22ax+Bx+4C

xx+6x6Dm

mnxyxy

x

yA

B1C

Dxy2+3y1kxA3B34D4ABA2.5

202022amn3mn325222222223202022amn3mn325222222223A4B5CD7

2019

A

B

C0.75D0.75102mm

mn

A6B5D6二填題共8小，滿(mǎn)32分，小分11x+2xyy12x

+3+1xa132

32bn214a1615x16x+61718y

xyzxy三解題共9小，滿(mǎn)78分）1981a3

2axy+4yx20812218

1

2a﹣2aba228xxx1x++11

3245n50494822221212212211213245n5049482222121221221121212211221212112122212121222122121112x+

+x

11x12x

++313

+3

++3

238x1xx2425/130/100/600026a②b27

abax++aax+axca

+acx+acx+c

a+acx+ac+ccax+ax+cbx+a0aca+acac++ax++x+ax+ca

222222222222222222222222

x116231+121xxx33x+1x+5x2x7xy++cyeyf

xyamncf

jk+pk+pje+njd22313++jnx+1x+5xyy+x+92x+7xy5+my

232+3533332232+35333322222參考答案試題解析一選題共10小題，分分每題4分xy95xyD

AD

A

ByCxxD+xxDbabaabaaaxB2x+4+4C36+9xx+6xxDmmnmD

222020222020xy

yxyxy

ykk4D

AxBy2.5+30y2.5xxyx2yxxxxyxy50.75

2019

22a2b+1n22a2b+1n3+10nm103232252510102D102mnn26二填題共8小，滿(mǎn)32分，小分11x+2y2xx12x﹣ya1+11abab0313222ba

14aaa+4a415xx×x16x

x3x+217①+②24x2①②2z0

2222222222242n5142222222222242n514n222y3xyz33118①②x+2yxy3三解題共9小，滿(mǎn)78分）1932ab+2xyba2b20①2+②9y1y②x2①2+②xx2x①y2112

3135+

24a

2+b

4

b

4a+5ab22x++x+12

++x

33

11x+x+12x23xx3x9x+8+8x+10

222222222222x24xy594563181825x2407226

②12+bb10

①+2015a

27x+xxx1x+5xx12x2x7xy2xy3x2x2+7xy321x+52y++94x+2y1xy

2222x+2xy+42x+718yx24x23+9x2x+9ym93+4398+23m4378

2書(shū)是2書(shū)是人類(lèi)進(jìn)階梯。二〇年四月十四年414期三4紙上得來(lái)終，絕知此事行4.14.20214.14.202107:0807:0807:08:4607:08:461三人行，必師。21.4.144.14.202107:0807:08:46Apr-2107:083會(huì)當(dāng)凌絕頂覽眾山小。07:084.14.202107:084.14.202107:0807:08:464.14.202107:084.14.20215一寸光陰一，寸金難買(mǎi)陰Wednesday,14,2021April21Wednesday,April14,20216路遙知馬力見(jiàn)人心。78分78