七年级数学下册计算题大全175Word文档下载推荐.docx
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七年级数学下册计算题大全175Word文档下载推荐.docx
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46
(8y+x+5z2)+(7y+3x-2z2)
(4k2-2k)-(6k2-8k+3)
(4a2+a-4b)-(a2-5a+3b)
8x2-(x2-6x-4)-(3x+9)
y2+(2x2-y)-(x2-7y2)
7
(2x2+7xy-—x)+(7x2+9xy-4x)
6
11
(—xy-9y2-4)-(x2+—xy-5y2-3)
34
41
(xy+—y-—)+(xy+x-1)
57
(4y-4x+9z2)+(y-4x-6z2)
(6k2-8k)-(3k2-6k-1)
(6a2+2a+2b)-(2a2-2a+b)
6x2+(6x2-2x+3)+(3x+8)
8y2-(4x2-y)-(8x2+9y2)
9
(2x2+9xy-—x)-(5x2+2xy-5x)
8
75
(—xy-3y2-3)-(x2-—xy-y2-4)
84
11
(xy-—y-—)-(xy-x+2)
(8y+5x-3z2)-(2y+4x-6z2)
(2k2+6k)-(2k2+7k+1)
(9a2+4a+6b)-(3a2+3a-5b)
9x2-(8x2+x+6)+(x-6)
3y2+(9x2-y)-(5x2+6y2)
(7x2+8xy+—x)-(x2+7xy-9x)
67
(—xy-2y2-7)-(x2+—xy+7y2+7)
58
61
(xy+—y+—)+(xy-x+6)
73
(4y-7x-z2)-(3y-8x-z2)
(2k2+7k)-(7k2+3k-2)
(5a2-4a+3b)-(a2+7a+7b)
6x2-(8x2-5x+9)-(9x-5)
6y2-(2x2-y)+(5x2-7y2)
4
(2x2-3xy+—x)-(7x2+9xy-5x)
3
(—xy+8y2+2)+(x2-—xy-7y2+3)
48
13
(xy+—y-—)+(xy-x+8)
34
(5y+4x-9z2)+(y+5x-6z2)
(2k2+7k)-(6k2+5k-8)
(5a2+7a+9b)-(7a2-2a-b)
7x2+(8x2+7x-5)-(6x+6)
6y2-(9x2-y)-(3x2+4y2)
2
(5x2+4xy-—x)-(8x2+5xy+x)
65
(—xy-y2+5)+(x2-—xy+4y2-9)
74
65
(xy-—y+—)+(xy+x-7)
54
(2y-2x+8z2)-(y+5x-4z2)
(9k2+7k)+(k2+9k-4)
(3a2-9a-3b)-(7a2+4a-8b)
9x2-(5x2+6x-4)-(3x+5)
3y2+(x2+y)+(6x2-9y2)
(6x2+4xy-—x)-(7x2-2xy-6x)
47
(—xy+3y2+3)-(x2-—xy-9y2-9)
12
(xy+—y+—)-(xy-x-5)
(4y-x-8z2)-(5y+2x-9z2)
(7k2-4k)-(3k2-4k+5)
(8a2-2a+7b)-(7a2-9a-b)
4x2-(7x2+x+4)+(x-4)
6y2+(9x2-y)+(8x2-3y2)
(7x2-2xy-—x)+(6x2+7xy-3x)
17
(—xy+6y2+6)+(x2-—xy+8y2+5)
66
(xy+—y-—)+(xy+x-3)
36
(3y-6x+2z2)+(y-2x+9z2)
(5k2-k)+(3k2+8k-6)
(a2-6a-8b)-(5a2-7a+6b)
8x2-(5x2-3x-8)+(x+6)
4y2-(4x2-y)-(8x2+4y2)
(9x2+7xy+—x)-(5x2+6xy-5x)
19
(—xy-6y2+4)+(x2-—xy+9y2-8)
68
(xy-—y+—)-(xy-x+8)
67
(y-5x-z2)+(7y-5x+2z2)
(2k2-9k)+(5k2-6k+8)
(2a2-a-b)+(a2-8a-8b)
7x2-(2x2-8x-9)-(6x-8)
5y2+(4x2-y)+(5x2-4y2)
(8x2+7xy-—x)+(2x2+3xy+x)
61
(—xy+2y2-4)+(x2-—xy-9y2+8)
16
(xy+—y-—)+(xy-x+1)
75
(4y-2x+4z2)+(5y+6x-8z2)
(9k2+k)+(9k2-3k-9)
(7a2+7a-9b)-(a2+9a+2b)
6x2-(6x2+3x+9)+(6x-2)
8y2+(3x2+y)-(7x2-5y2)
(9x2-8xy-—x)-(x2-xy+7x)
(—xy-7y2+2)-(x2+—xy-y2+8)
87
(y+9x-8z2)+(y+9x-8z2)
(8k2+5k)-(k2-3k+1)
(5a2-8a+4b)+(4a2+3a+8b)
2x2+(x2-7x+2)-(2x+9)
y2-(9x2+y)-(4x2+3y2)
(4x2+2xy+—x)-(3x2+3xy+4x)
31
(—xy+9y2+5)-(x2-—xy+7y2-3)
(xy-—y-—)-(xy-x+4)
43
(4y-9x-9z2)-(8y-4x+3z2)
(k2-2k)+(2k2+6k-3)
(2a2-8a-7b)+(9a2-2a-9b)
8x2-(x2-3x-4)-(2x+3)
2y2-(6x2-y)+(6x2+5y2)
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