七年级下册数学计算题300道

发布时间:2023-05-03 14:25:32   来源:文档文库   
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七年级数学下册复习试卷——计算题
姓名_________
班别________座号
____
1(3a2b2(9a4b2(2ab3

3(ab(2ab
53x
2
3(13x22x14,6
22
7(x+2(y+3-(x+1(y-29x(x2(x+5(x5
11(3x2y(2y3x(4y29x2

2
13x12
x1x2
153(x1(x1(2x12


2
4
8
10
12
14
16
124
2x23x32x7
2(x13(x2x2
32
1
21322
3(a3a2bab2(6a34a2b3ab2
(2xy(2xy2y2
2a1222a1`3
(x3y(x+3y(x3y
22
(3x2y2(3x2y2


22
17(xy(xy18
22
[(3xy2y]x
22
2
100100
100
100
2054x2y108xy236xy18xy
190.125
×8

2

(x
0
(23
22
、(1212006
4


用乘法公式计算下列各23:999×10019921
24

25982
26
2009220082010
27、化简求(2a12(2a1(a4,其中a
2

值:
28、化简求值(x2y2
2(xy(xy2y(x3y,其中x
2,y
2

1
224

211(
3
312
2



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