七年级数学下册计算题大全177Word文档格式.docx
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七年级数学下册计算题大全177Word文档格式.docx
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36
(8y-7x+2z2)-(3y+x-z2)
(7k2+2k)-(k2-7k-8)
(4a2-a+4b)-(7a2+2a+6b)
x2-(x2+6x-4)-(5x+1)
9y2-(9x2-y)-(3x2-3y2)
1
(8x2-4xy-—x)+(7x2-7xy+5x)
6
61
(—xy+3y2+9)-(x2+—xy-6y2-6)
57
15
(xy+—y+—)+(xy-x+8)
66
(7y+4x-6z2)-(4y+6x+z2)
(k2+6k)+(8k2+2k+2)
(9a2-a-5b)+(6a2+a+3b)
4x2-(7x2+4x-4)+(3x+2)
y2-(2x2-y)+(4x2-3y2)
7
(9x2+9xy-—x)-(6x2-4xy+9x)
8
31
(—xy+y2-1)-(x2-—xy-2y2+7)
47
14
(xy+—y+—)-(xy-x-6)
65
(8y+5x+4z2)-(6y-x+7z2)
(7k2-3k)+(4k2-9k+5)
(8a2+5a-3b)-(8a2+7a-5b)
3x2+(9x2+7x+4)+(5x-5)
5y2-(7x2+y)-(x2+9y2)
(9x2+7xy-—x)-(4x2-3xy+3x)
13
(—xy+5y2-2)+(x2+—xy+3y2+1)
84
91
(xy-—y-—)+(xy+x+9)
84
(6y+6x+6z2)-(8y+6x-z2)
(k2-8k)+(9k2+8k+4)
(5a2-4a-3b)+(9a2+4a+7b)
x2-(8x2-9x-9)+(3x+3)
6y2+(3x2+y)-(2x2-3y2)
(6x2+8xy+—x)-(5x2-xy+7x)
(—xy-y2+3)+(x2-—xy-5y2-5)
75
62
(xy+—y-—)+(xy+x-8)
53
(6y+6x-8z2)-(4y-8x-5z2)
(2k2-7k)+(2k2+2k-1)
(6a2-7a+6b)+(4a2+2a+7b)
2x2-(8x2+3x+7)+(5x+1)
7y2+(7x2-y)-(3x2+2y2)
(3x2+xy+—x)+(2x2+7xy+6x)
(—xy-7y2-6)-(x2-—xy-3y2-2)
74
29
(xy+—y+—)+(xy-x+1)
38
(y+8x+2z2)+(2y+x-3z2)
(3k2-3k)+(2k2+5k+4)
(6a2-7a+3b)-(2a2-5a-3b)
4x2+(3x2-4x-8)+(8x+3)
9y2+(7x2-y)+(7x2-3y2)
(5x2-7xy-—x)+(8x2+3xy-7x)
18
(—xy+9y2-9)+(x2-—xy-9y2+9)
11
(xy+—y+—)+(xy+x-4)
85
(2y+5x-6z2)+(7y+8x-6z2)
(5k2-k)+(5k2-k-4)
(7a2-a-9b)+(3a2+a-8b)
4x2+(8x2+9x-9)-(2x+3)
3y2+(2x2-y)-(3x2-7y2)
(5x2-4xy+—x)-(2x2-4xy+x)
16
(—xy-4y2-6)+(x2+—xy-3y2+4)
87
35
(xy-—y-—)+(xy-x+3)
44
(2y+8x+5z2)+(3y+4x+z2)
(4k2+k)-(k2-5k-3)
(3a2+5a+5b)+(a2-6a+b)
2x2+(5x2+7x+5)-(2x+2)
4y2-(5x2-y)+(7x2-9y2)
9
(6x2-5xy+—x)-(x2+7xy+x)
71
(—xy+y2+9)-(x2-—xy+2y2+5)
85
(xy+—y+—)-(xy+x-6)
34
(4y+x+2z2)+(2y+8x-4z2)
(9k2-6k)-(3k2+2k-8)
(8a2+9a-2b)-(8a2-3a-4b)
6x2+(6x2+7x+8)+(4x-2)
3y2-(9x2+y)-(6x2-6y2)
(4x2+6xy+—x)-(x2-8xy+8x)
15
(—xy+7y2-1)-(x2-—xy+4y2+9)
(xy+—y+—)-(xy+x+6)
68
(2y+5x+7z2)+(4y-5x+4z2)
(7k2+7k)+(3k2-7k+5)
(8a2+3a-5b)-(3a2-7a-6b)
4x2+(3x2-8x-8)-(2x-2)
4y2+(9x2-y)+(4x2+3y2)
3
(9x2-6xy-—x)-(2x2+6xy+4x)
11
(—xy-6y2+8)+(x2-—xy-y2+4)
76
(xy-—y-—)-(xy-x-5)
58
(2y+7x+8z2)-(3y-3x-z2)
(9k2-9k)+(k2+9k-4)
(2a2-5a+3b)-(5a2-9a+2b)
7x2-(4x2+7x+6)+(9x-8)
6y2-(6x2+y)-(9x2-9y2)
(4x2+9xy+—x)+(x2-xy+x)
(—xy+2y2-8)-(x2+—xy-y2-8)
53
77
(xy+—y+—)-(xy-x-4)
86
(y-4x-3z2)-(7y+4x-6z2)
(8k2-7k)-(8k2+4k-3)
(2a2-9a-7b)+(6a2+8a-2b)
2x2-(3x2+6x+7)+(2x-4)
9y2+(6x2+y)+(4x2+4y2)
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