2020-2021學年北師大版七年級上冊數(shù)學期末復(fù)習試卷2

m3m3學年北師大新版年級上冊數(shù)期末復(fù)習卷一選題共8小，滿24分，小分A+CABCD

B+aDa+A

B

C

DA0B

C2Dπa

5

n

mnA6B4CD53A0B2CDCAD上BCDAD9BD2EADBEA4B66D

1

12313112233123131122331201920192020A0B9

C8

D18二填題共6小，滿18分，小分10G1KB11x12BCD13CDE14BONeq\o\ac(△,A)eq\o\ac(△,)Aeq\o\ac(△,A)eq\o\ac(△,)AOAeq\o\ac(△,A)eq\o\ac(△,)A

2

三解題共2小，滿8分每題分1521667ABC1AM2CPA45四解題共9小，滿70分）

3

42322222423222221711+4+22183yx3xyx119170180190200210

0.1c1

b

c23180204//

/

MB

/

4

12

0.30.216MB

2

2MB2MBt2t

21A9.5CO11C2C312212cm2360A3BB201B2A824AOB75OOD

5

1AODBOC2AOD5BOD3O+251

2S32020411地來易些請圖

6

參考答案試題解析一選題共8小，滿24分，小分+B+aaa0C0D++DBCDBCDD2

m

5

n

m5nm511C32DA1

7

66661AD9EDBDEDBD2EAD2ADEDADEA1BDEDBD8266x135x13525%xy135x10813518D二填題共6小，滿18分，小分1013000001011m1m1

8

111121111111211112122341280200304013ODCDCDBODODOCDAOCCDAB

△

△

扇形

14eq\o\ac(△,A)eq\o\ac(△,)B122MON112030356090MON1OA22eq\o\ac(△,A)eq\o\ac(△,)Aeq\o\ac(△,A)eq\o\ac(△,)

9

112231222112231222123323332144255nnnn20192019201920202019121113460BBB173052A48A816AAB32eq\o\ac(△,A)eq\o\ac(△,)B

eq\o\ac(△,A)eq\o\ac(△,)B32三解題共2小，滿8分每題分152116

10

2222222222222222222四解題共9小，滿70分）1711614+83226663xx18y+22x3x+3y

x

xyx3y6xy1250.1100.20.14c1650500.272x190310000.14+0.32+0.2470020

11

49+0.2220200+0.349+0.220+0.349+4+9069+0.280060069+0.269+40xMB69+0.2xx1092020049+0.35405006169t200t25049+0.2t540t25049+0.2t54069+0.15t540MB2402212CA3[5]0.11.9

12

2223232223232223328+66cm7223BA2x32+20x460x502+20A220.924CODAOBAOC+BOCBOC+AOD120AOB75AOC45302BODAO