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ǰλãҳ > 2018-2019学年河北省衡水市武邑中学七年??期中数学试卷 - 百度文库

2018-2019学年河北省衡水市武邑中学七年??期中数学试卷 - 百度文库

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2018-2019ѧӱʡˮѧ꼶ϣ

ѧԾ

÷ һ ܷ һѡ⣨⹲9С⣬27.0֣

1. ij¶3+3棬-2ǣ

A. 2 B. ½-2 C. ½2 D. ϶ 2. ̽⣬ⴹֱĵط¶ȸߴ127棬ҹ¶ȿɽ͵

183森㣬ҹ²У A. 56 B. -56 C. 310 D. -310

3. ϱʾ-23ֱǵABA͵B֮ľǣ

A. -5 B. -1 C. 1 D. 5 4. -5ȥ-8ã

A. -3 B. 3 C. -13 D. 13

2

5. --3 ǣ

A. 6 B. -6 C. 9 D. -9 6. Բɳһֱתһõģô

ͼĸͼеһֱתһܵõģ

A. B. C. D.

7. a-2Ϊ෴ôaڣ

A. -2 B. 2 C. - D. 8. ѧУ˶μӵmˣȥ10%ôȥ˶μӵ

Ϊˣ

A. B. C. D. 9. ȵabcϵĶӦֱABC|a-b|+|b-c|=|a-c|

ôB A. AC B. ACұ C. AC֮ D. ־ ⣨⹲6С⣬18.0֣ 10. -1.8ĵ______

2

11. --2=______-2=______|a|=______a0

1ҳ12ҳ

12. ʮŴ󱨸ָ6000ƶ˿ȶƶƶʴ10.2%½4%

£6000ÿѧʾΪ______ 13. ij-5棬±¸8棬______森

106ԭ______ 14. ÿѧʾΪ7.04

15. Ҫʹͼƽչͼ۵ʹ

ĺȣx=______y=______

⣨⹲4С⣬40.0֣ 16. 1-23-6-3

0 2+4.3-|-4|+-2.3-+4

2+-23|-4| 310

4-3++--18

17. ijСһضĹ··涨ΪǴ

Aسչʱ߹·̼¼£λǧף +7-12+15-3.5+5+4-7-11.5 1չʱAضԶ

2AԶʱжԶ

3ÿǧ׺0.4ӳAعͶ

2222

18. Ȼֵ5x-3y+5x+4y+3xyx=-1y=2

19. ij˾ȥ13ƽÿӯ2Ԫ46ƽÿ¿1.5Ԫ710

ƽÿ¿1.2Ԫ1112ƽÿӯ3.4Ԫù˾ܵӯΣӯΪΪ

2ҳ12ҳ

ġ⣨⹲4С⣬35.0֣

2

20. ϱʾи--5+--|-2.5|0-2áЩ

2222

21. Ȼֵ2xy+xy-1-2xy-1+2xy-1x=2y=-

22. ѧڼ䣬Ϊ˴ɨίԱСȥṤгһЩɨ

Ĩ ѡһҵϰСɨÿ25ԪĨÿ5ԪΪ˸Żݷ

һһɨһĨ

ɨĨ۵90% СҪɨ6ѣĨx飨x6

1Сһ踶Ԫúxʽӱʾ 2С踶Ԫúxʽӱʾ 3x=10ʱͨ˵ʱַΪ㣻

4x=10ʱܸСṩһָΪʡǮĹ򷽰дĹ򷽷

23. 2017ڷżٰ죬ٹ·ͨУط羰֯У

ıʹ101յοѾﵽ7ˣ

3ҳ12ҳ

Уÿο仯λˣ±ʾǰһʾǰһٵ 102 103 104 105 106 107 108 +0.2 +0.1 -0.2 -0.8 -1.6 -0.1 仯 +0.6 1103յΪ______ˣ 2죬ο10______գﵽ______ˣοٵ10______գΪ______ˣ

38ι۹ʹԼΪ______ˣȷλ

4һ˴һڲι۹ʹǵijһ飮

4ҳ12ҳ

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2018-2019ѧӱʡˮѧ꼶ϣѧԾ ÷ һ ܷ һѡ⣨⹲9С⣬27.0֣ 1. ij¶3+3棬-2ǣ A. 2 B. ½-2 C. ½2 D. ϶ 2. ̽⣬ⴹֱĵط¶ȸߴ127棬ҹ¶ȿɽ͵183森㣬ҹ²У A. 56 B. -56 C. 310 D. -310 3. ϱʾ-23ֱǵABA͵B֮ľǣ A. -5 B. -1 C. 1 D. 5 4. -5ȥ-8ã <

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