七年级数学下册计算题15Word文档下载推荐.docx
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七年级数学下册计算题15Word文档下载推荐.docx
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(xy+—y+—)+(xy-x+7)
37
(4y+8x-7z2)-(2y+8x-6z2)
(3k2-9k)+(5k2-6k+2)
(5a2+2a-3b)-(5a2+6a+2b)
4x2-(8x2-x+9)+(8x+4)
3y2-(2x2-y)+(8x2+9y2)
9
(9x2+8xy-—x)-(3x2-xy+6x)
11
(—xy-7y2-1)+(x2+—xy-2y2-4)
77
75
(xy-—y-—)+(xy+x-3)
86
(5y-4x-4z2)+(2y-7x-2z2)
(3k2-4k)-(3k2+4k+4)
(8a2-8a+5b)-(4a2+9a+5b)
8x2-(6x2+7x-2)+(6x+8)
6y2+(2x2+y)+(7x2-5y2)
(5x2-7xy-—x)+(7x2-6xy-3x)
4
(—xy-7y2+5)+(x2+—xy-8y2-5)
43
(xy+—y-—)+(xy-x+5)
38
(5y+6x-9z2)-(9y-2x-5z2)
(4k2-7k)-(6k2-9k-2)
(7a2-9a-8b)-(a2-9a-7b)
x2+(9x2-7x-3)-(3x+5)
2y2+(2x2-y)+(8x2-5y2)
(4x2-xy-—x)-(8x2+9xy-x)
6
15
(—xy+3y2+5)+(x2-—xy+9y2+5)
66
61
(xy+—y+—)+(xy+x-2)
77
(5y-4x-3z2)+(3y+3x+4z2)
(6k2+4k)-(2k2+k+5)
(4a2-5a-7b)-(2a2-9a-8b)
3x2-(9x2+x-6)+(x+2)
4y2+(6x2-y)-(3x2-8y2)
(4x2+5xy-—x)+(2x2-8xy+3x)
71
(—xy+7y2-6)-(x2+—xy-3y2+2)
68
34
(xy-—y-—)+(xy-x+4)
45
(y-9x+6z2)+(9y-x-9z2)
(9k2-5k)+(4k2+5k+8)
(5a2+7a+3b)-(9a2+2a+2b)
4x2-(6x2-4x+3)+(5x-5)
4y2-(4x2+y)-(9x2+4y2)
(4x2-6xy-—x)+(2x2-6xy+2x)
5
34
(—xy+8y2+1)+(x2-—xy+2y2-5)
45
(xy+—y-—)-(xy-x-4)
(3y-6x-9z2)+(8y+2x+4z2)
(7k2-8k)+(3k2-9k+4)
(9a2-2a+3b)+(a2-9a-4b)
5x2-(5x2+3x-9)-(9x-2)
3y2+(9x2-y)-(4x2-y2)
(5x2+3xy-—x)-(4x2-4xy+2x)
56
(—xy-7y2+7)+(x2-—xy-y2+8)
47
(xy-—y+—)+(xy-x-1)
88
(5y+6x-9z2)-(5y-9x-5z2)
(3k2-5k)-(6k2+9k-6)
(6a2+7a-8b)+(a2+4a-b)
3x2+(5x2-4x+3)-(4x-1)
2y2-(8x2+y)+(9x2+6y2)
(x2-4xy-—x)-(8x2+4xy-6x)
(—xy-9y2-3)-(x2+—xy+5y2+7)
63
11
(xy+—y-—)+(xy-x+1)
44
(9y+7x-z2)+(y+4x+3z2)
(3k2-3k)-(5k2+4k+1)
(7a2+8a+3b)+(3a2+a-6b)
x2+(3x2-5x-4)+(4x+6)
2y2+(x2-y)+(7x2-3y2)
(5x2+xy-—x)-(9x2-3xy+7x)
(—xy-y2+1)+(x2+—xy-7y2-3)
38
96
(xy-—y+—)+(xy-x+8)
85
(3y+5x-z2)+(4y-5x-4z2)
(6k2+8k)+(2k2-5k+4)
(4a2+8a-5b)-(6a2+a+3b)
x2-(6x2-8x-9)-(2x+7)
9y2-(8x2+y)-(x2+8y2)
(6x2-3xy+—x)-(x2+2xy+x)
14
(—xy-5y2+1)-(x2+—xy+7y2+5)
55
27
(xy+—y+—)-(xy-x+6)
(4y+3x+9z2)-(y+7x-4z2)
(9k2+9k)-(5k2-3k-8)
(4a2-6a+3b)-(9a2-7a+2b)
7x2-(2x2-2x+4)-(x+3)
5y2-(9x2+y)+(8x2-8y2)
(8x2-2xy+—x)-(3x2-8xy+7x)
96
(—xy-7y2+2)+(x2-—xy+9y2+5)
85
58
(xy-—y+—)+(xy+x-5)
67
(3y-5x+4z2)-(3y-8x-2z2)
(3k2+5k)+(9k2-3k-1)
(6a2+5a-7b)+(5a2-5a+5b)
5x2-(8x2-2x+2)+(6x-2)
9y2-(7x2+y)-(4x2-3y2)
(7x2-8xy+—x)+(3x2+6xy+7x)
31
(—xy+4y2-4)+(x2-—xy+y2+1)
(xy+—y+—)+(xy+x+6)
(2y+7x-8z2)+(y+9x+2z2)
(5k2+3k)-(7k2+4k-6)
(8a2+7a+6b)-(2a2-3a+9b)
2x2-(7x2+2x+4)-(x+5)
3y2+(2x2+y)-(2x2-8y2)
(5x2+3xy-—x)+(4x2+xy-5x)
(—xy-5y2+9)+(x2-—xy+8y2-3)
74
76
(xy+—y+—)+(xy+x-3)
(4y-5x-4z2)-(5y-8x+2z2)
(2k2+9k)-(8k2-7k+8)
(6a2+8a-b)+(7a2-8a-4b)
8x2-(9x2+9x+1)+(7x-6)
9y2+(8x2-y)-(x2-9y2)
(x2+7xy+—x)-(5x2+3xy-4x)
69
(—xy+6y2+3)-(x2+—xy-3y2-3)
78
(xy-—y-—)+(xy+x-9)
74
(8y+5x-8z2)-(4y-9x+4z2)
(4k2-8k)+(8k2+6k+3)
(a2+9a+5b)+(7a2+2a+4b)
9x2-(4x2-9x+3)+(2x-3)
8y2+(9x2-y)-(9x2+2y2)
(8x2+4xy-—x)-(4x2-2xy-x)
(—xy-2y2-1)-(x2-—xy+9y2-3)
53
(xy+—y+—)-(xy+x-9)
(5y-4x+5z2)-(4y-6x-9z2)
(5k2-2k)+(4k2-5k-9)
(9a2-4a+8b)-(7a2+4a+9b)
3x2-(3x2-8x+7)+(4x-3)
6y2+(3x2-y)-(9x2+3y2)
(x2-4xy-—x)+(6x2-6xy+6x)
18
(—xy+3y2+1)-(x2+—xy+3y2-2)
67
35
(xy-—y-—)+(xy+x+7)
(7y+7x-4z2)+(3y+7x+9z2)
(4k2+5k)-(3k2-8k-3)
(8a2-a-7b)+(3a2+a-9b)
9x2-(2x2-x-7)+(4x-6)
y2+(9x2-y)-(5x2+y2)
(7x2+xy-—x)+(5x2+5xy+2x)
(—xy+y2-2)+(x2+—xy+3y2+8)
54
91
(xy-—y+—)+(xy-x-6)
84
(4y-6x-6z2)+(2y+4x-7z2)
(4k2-6k)+(3k2-8k+7)
(3a2-5a+8b)-(4a2-7a-8b)
2x2+(7x2-7x+1)-(7x+3)
3y2+(5x2+y)-(7x2-3y2)
(4x2+8xy-—x)+(3x2+4xy+x)
(—xy-7y2+2)+(x2+—xy-7y2-9)
78
(xy-—y+—)-(xy-x+1)
(6y+7x-6z2)-(4y+6x-z2)
(5k2+2k)+(k2-6k+9)
(3a2-5a-4b)+(a2+2a-b)
4x2+(7x2-6x+1)-(4x-5)
3y2+(6x2+y)+(8x2+3y2)
(2x2-5xy-—x)-(x2-9xy-3x)
(—xy+6y2+2)-(x2+—xy-8y2-1)
16
(xy-—y-—)-(xy-x+6)
(2y+9x+4z2)-(9y+6x+z2)
(6k2+7k)-(8k2-6k+7)
(a2+8a-3b)-(8a2+7a+6b)
9x2-(5x2-3x-1)-(3x+6)
9y2-(9x2+y)-(9x2+2y2)
(2x2+7xy-—x)+(4x2+xy-8x)
(—xy-2y2+7)-(x2-—xy-8y2-4)
14
(xy+—y+—)-(xy-x-3)
(8y+5x+2z2)+(4y+2x+4z2)
(5k2-k)+(3k2+k-6)
(6a2-7a+4b)-(6a2+2a-5b)
5x2-(5x2+8x-7)-(9x-6)
4y2+(2x2-y)-(2x2+3y2)
(4x2+2xy+—x)-(2x2+7xy+x)
37
(—xy-7y2+6)+(x2+—xy+9y2+9)
46
17
(xy-—y-—)-(xy-x-7)
(4y+9x-9z2)+(6y+8x+8z2)
(8k2-4k)+(2k2+2k-8)
(7a2-a-4b)+(7a2+7a-6b)
2x2-(8x2-8x-8)+(4x+3)
6y2-(3x2-y)+(5x2-y2)
(7x2+7xy-—x)+(2x2+3xy-7x)
62
(—xy+9y2+1)+(x2+—xy-4y2-6)
73
(xy-—y-—)-(xy+x-5)
(3y+x-2z2)-(3y-x+3z2)
(7k2+8k)+(2k2-2k+2)
(4a2-3a-9b)+(7a2-8a+3b)
9x2+(8x2-2x-3)-(3x+6)
7y2-(6x2-y)+(6x2+8y2)
(4x2+4xy-—x)+(4x2+8xy+4x)
76
(—xy+6y2-2)+(x2+—xy-6y2-6)
71
(xy-—y-—)-(xy-x+9)
68
(2y+4x+2z2)-(3y+5x-5z2)
(9k2+5k)+(9k2+4k+1)
(2a2+9a+2b)+(5a2+6a+5b)
4x2-(6x2-5x-7)+(6x-5)
6y2+(5x2+y)-(9x2-2y2)
(5x2+3xy-—x)-(7x2-4xy-x)
(—xy+3y2+1)-(x2-—xy-5y2-7)
53
81
(xy+—y+—)+(xy+x+5)
(8y+2x+5z2)-(6y-5x+5z2)
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