七年级数学下册计算题大全139Word格式文档下载.docx
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七年级数学下册计算题大全139Word格式文档下载.docx
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64
(2y-x+7z2)-(y+6x+4z2)
(2k2+2k)-(7k2+k-2)
(2a2-8a+6b)-(6a2+8a-7b)
x2-(3x2-4x+7)+(5x+5)
2y2-(6x2+y)-(6x2-6y2)
3
(6x2+xy+—x)+(x2-4xy+4x)
4
19
(—xy+6y2-9)-(x2-—xy+7y2-3)
88
11
(xy+—y+—)-(xy+x+2)
83
(4y-5x+4z2)-(2y+9x+6z2)
(2k2-8k)-(2k2+k-5)
(a2-a-3b)-(4a2-6a+8b)
5x2+(x2+7x-1)-(x-8)
7y2-(8x2+y)+(6x2-2y2)
8
(2x2-3xy-—x)-(x2+9xy-x)
71
(—xy+2y2+6)+(x2+—xy-4y2+7)
66
15
(xy+—y-—)-(xy+x-7)
(8y-6x-9z2)+(7y+4x+5z2)
(4k2+5k)-(8k2+8k-9)
(6a2+a+4b)-(3a2+4a+9b)
6x2+(4x2+8x-7)-(x-4)
y2-(9x2+y)-(6x2+8y2)
(9x2+9xy-—x)+(6x2+9xy-9x)
16
(—xy-4y2+9)+(x2+—xy+4y2+8)
35
17
(xy+—y-—)+(xy+x+6)
68
(4y-2x+9z2)+(7y+4x-8z2)
(k2+8k)+(9k2-5k-7)
(4a2-3a-6b)+(7a2+3a+6b)
2x2+(9x2-5x-7)-(2x-3)
6y2+(7x2+y)+(5x2+3y2)
5
(2x2-xy+—x)+(5x2-4xy+5x)
6
15
(—xy+7y2-7)+(x2-—xy-2y2-5)
54
46
(xy-—y+—)+(xy-x+9)
57
(2y-4x-7z2)+(5y+5x-2z2)
(3k2+5k)-(6k2-2k-1)
(8a2+8a+3b)+(9a2+8a+2b)
8x2+(8x2+3x+3)-(7x+5)
y2-(9x2-y)+(8x2+3y2)
(8x2+2xy+—x)+(3x2+4xy+7x)
11
(—xy+5y2+7)+(x2-—xy+5y2+8)
65
91
(xy+—y-—)+(xy+x-3)
(9y+5x-6z2)-(6y+5x+4z2)
(3k2+2k)+(6k2+9k+1)
(7a2-5a+b)-(7a2+5a-5b)
8x2-(8x2+2x+2)-(4x+9)
5y2+(7x2+y)+(3x2-5y2)
(9x2+8xy+—x)+(3x2+3xy+2x)
12
(—xy+y2-2)+(x2+—xy-y2-8)
53
(xy+—y+—)-(xy-x+9)
74
(9y-2x+6z2)+(7y-2x+7z2)
(8k2+3k)-(k2-5k+1)
(6a2+a-6b)+(3a2+a-8b)
5x2+(3x2-5x+7)+(2x-3)
6y2-(8x2-y)-(5x2-4y2)
(5x2+7xy-—x)+(6x2+4xy+2x)
(—xy-9y2+5)-(x2+—xy+7y2-5)
57
61
(xy-—y+—)-(xy-x-5)
(5y-7x+4z2)+(7y-9x+7z2)
(6k2-4k)-(2k2+3k-7)
(7a2-7a+9b)+(6a2+8a+7b)
4x2+(8x2+2x+5)+(9x-3)
7y2-(6x2-y)-(8x2+7y2)
(6x2-5xy-—x)+(x2-4xy+9x)
41
(—xy-8y2-2)+(x2-—xy+3y2+4)
58
(xy-—y+—)+(xy+x+2)
85
(6y-9x+2z2)-(3y-8x-2z2)
(3k2-5k)+(7k2-2k-3)
(9a2-8a-3b)-(7a2+7a-2b)
2x2-(7x2+x+4)-(7x-9)
6y2-(7x2-y)+(8x2-2y2)
(3x2-6xy-—x)-(x2-3xy-6x)
79
(—xy-6y2-9)+(x2+—xy+2y2-1)
68
16
(xy-—y-—)-(xy-x+4)
45
(3y+7x-5z2)-(7y+3x+4z2)
(4k2+3k)+(7k2-6k+9)
(7a2+5a+5b)-(3a2+5a+4b)
x2+(7x2-x-5)+(9x-5)
7y2-(2x2+y)+(4x2+9y2)
(5x2+3xy-—x)-(7x2-xy-8x)
(—xy+5y2-8)-(x2-—xy-2y2+4)
(xy-—y-—)-(xy+x+9)
(6y+5x-4z2)-(7y-x-6z2)
(9k2+k)-(2k2+2k-3)
(5a2+a-4b)+(5a2+8a-4b)
9x2+(9x2+7x+9)+(7x-9)
9y2+(4x2-y)-(8x2-5y2)
(x2+9xy+—x)+(9x2-9xy-7x)
(—xy+4y2-8)+(x2-—xy-8y2-4)
(xy+—y-—)+(xy+x-1)
(8y+6x+3z2)+(3y+5x+z2)
(9k2+8k)+(4k2+4k+5)
(4a2-2a+4b)-(9a2-4a-5b)
5x2-(6x2+2x+6)-(2x-7)
4y2-(9x2-y)+(7x2-8y2)
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- 七年 级数 下册 算题 大全 139