2012年沪科版初中数学七年级下8.4整式除法练习卷(带解析)

适用年级:初一
试卷号:629165

试卷类型:课时练习
试卷考试时间:2017/7/20

1.单选题(共3题)

1.
如果(3x2y-2xy2)÷m=-3x+2y,则单项式m为()
A.xyB.-xyC.xD.-y
2.
下列计算正确的是()
A.6a2b3÷(3a2b-2ab2)=2b2-3abB.[12a3+(-6a2)]÷(-3a)=-4a2-2a
C.(-xy2-3x)÷(-2x)=y2+D.[(-4x2y)-2xy2]÷2xy=-2x+y
3.
计算:[2(3x22-48x3+6x]÷(-6x)等于()
A.3x3-8x2B.-3x3+8x2C.-3x3+8x2-1D.-3x3-8x2-1

2.选择题(共7题)

4.

Mike's advice fell on deaf ears, so he was very angry.

5.

I'm too busy. I don't have time to go shopping with you.

6.

I'm too busy. I don't have time to go shopping with you.

7.有A、B、C、D、E五种短周期元素,且相邻的A、B、C、D四种元素原子核外共有56个电子,在周期表中的位置如图所示.E的氢氧化物是两性氢氧化物;E的阳离子与A的阴离子核外电子层结构相同.请回答下列问题:

8.

For now, I have to stay at home because of my illness.

9.

Our boss will be on business next week, and he asked me to book a ticket for him.      

10.

Our boss will be on business next week, and he asked me to book a ticket for him.      

3.填空题(共3题)

11.
判断题(对的打“∨”,错的打“×”)
(1)-4ab2÷2ab=2b;()
(2)12a2b3c÷6ab2=2ab;()
12.
(1)a2bx3÷a2x=_________;
(2)3a2b2c÷(-a2b2)=________;
13.
()·(-a2x2)=-5a;

4.解答题(共4题)

14.
计算:(16x2y3z+8x3y2z)÷8x2y2=__________.
15.
计算:18a8b8÷(-6a6b5)·(-ab)2
16.
计算:(3an+2+6an+1-9an)÷3an-1
17.
计算:(x6y2+x3y5-0.9x2y3)÷(-0.6xy).
试卷分析
  • 【1】题量占比

    单选题:(3道)

    选择题:(7道)

    填空题:(3道)

    解答题:(4道)

  • 【2】:难度分析

    1星难题:0

    2星难题:0

    3星难题:0

    4星难题:0

    5星难题:0

    6星难题:0

    7星难题:0

    8星难题:0

    9星难题:10