七年级数学下册计算题大全101Word格式文档下载.docx
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84
(4y-5x+5z2)-(7y+9x-2z2)
(2k2+4k)-(k2+7k+4)
(5a2-8a-6b)+(3a2-9a-2b)
6x2-(6x2-9x-1)-(x+1)
5y2-(3x2-y)-(6x2-y2)
3
(7x2+7xy-—x)+(3x2-xy+x)
4
16
(—xy+4y2+8)+(x2+—xy-9y2-9)
75
14
(xy-—y-—)-(xy+x-5)
55
(8y-8x+6z2)-(y-8x+z2)
(5k2+3k)-(2k2-2k+2)
(6a2-9a+b)-(a2+4a-3b)
4x2+(x2-2x+7)-(x+8)
4y2-(6x2-y)+(8x2-6y2)
1
(6x2+xy+—x)+(8x2+2xy+8x)
18
(—xy-3y2+1)+(x2-—xy-6y2+8)
47
12
(xy+—y+—)+(xy+x-7)
63
(3y-4x+9z2)-(5y-8x+z2)
(2k2+4k)-(4k2+7k+2)
(4a2+8a+2b)+(9a2+3a-9b)
x2+(5x2-8x+1)+(6x-8)
9y2+(5x2-y)-(x2-2y2)
7
(x2-5xy+—x)-(x2-6xy-x)
24
(—xy+9y2-9)+(x2-—xy+7y2+3)
33
11
(xy+—y-—)+(xy+x-5)
85
(y+x+7z2)+(5y+3x+7z2)
(9k2+k)+(2k2+7k+3)
(5a2+5a-b)-(3a2+a+6b)
3x2+(6x2-7x+2)+(3x+8)
2y2+(5x2-y)+(5x2+3y2)
(9x2-8xy-—x)+(9x2+3xy+6x)
85
(—xy-8y2-7)-(x2+—xy+y2+6)
76
16
(xy+—y+—)-(xy+x-4)
67
(4y-9x-3z2)-(9y+6x-8z2)
(6k2+5k)+(3k2+4k+3)
(9a2-3a+8b)-(4a2+7a-b)
2x2+(7x2-5x+1)-(2x+3)
2y2-(3x2+y)+(2x2-2y2)
(5x2+9xy+—x)-(2x2+4xy+7x)
6
15
(—xy+8y2-2)-(x2-—xy-2y2+6)
(xy-—y+—)-(xy-x-9)
37
(y+6x-3z2)-(5y-9x-9z2)
(6k2+2k)+(9k2+4k+7)
(2a2+7a-8b)+(2a2+a+5b)
x2-(9x2-7x+6)-(4x-2)
9y2-(8x2-y)-(4x2-4y2)
(9x2-xy-—x)+(8x2-5xy+5x)
61
(—xy+4y2+6)-(x2-—xy-7y2+1)
46
(xy-—y+—)+(xy-x+1)
(3y-6x-z2)+(4y+4x+3z2)
(4k2+7k)+(9k2+6k-9)
(9a2+a+2b)-(9a2-5a-4b)
4x2+(8x2-4x+6)-(7x-8)
5y2+(5x2+y)-(8x2-5y2)
(3x2+xy+—x)+(3x2-7xy-x)
12
(—xy-8y2+9)-(x2-—xy-2y2+1)
(xy-—y-—)+(xy-x+3)
(7y+8x-9z2)-(y+6x+5z2)
(2k2+4k)+(5k2-6k+6)
(2a2-a+9b)+(4a2+5a-8b)
3x2+(5x2+5x+8)+(8x-9)
y2+(6x2-y)+(5x2-y2)
(9x2-6xy+—x)+(3x2-2xy-7x)
11
(—xy+9y2-1)-(x2-—xy-3y2-3)
65
(xy+—y-—)-(xy-x+8)
86
(6y+4x-3z2)+(7y-x+z2)
(9k2+6k)-(5k2-2k+3)
(5a2+6a-5b)-(8a2-9a+2b)
4x2+(7x2+4x-9)-(6x+4)
4y2-(9x2+y)+(5x2+4y2)
(x2-5xy+—x)-(4x2-7xy+x)
5
(—xy-6y2-5)+(x2+—xy+3y2+5)
54
41
(xy-—y-—)+(xy+x+4)
34
(y+7x+z2)-(5y+7x-6z2)
(4k2+4k)-(6k2+9k+4)
(9a2-8a+6b)+(8a2-7a-4b)
4x2+(4x2+5x+6)+(x-3)
8y2+(x2+y)+(4x2+6y2)
(2x2-7xy-—x)-(5x2+8xy+4x)
(—xy-8y2-7)-(x2-—xy-9y2+1)
56
71
(xy-—y-—)-(xy-x-8)
64
(6y-8x-8z2)+(7y-x+4z2)
(9k2-9k)-(7k2+7k+2)
(8a2+7a-5b)+(a2+4a-7b)
x2+(3x2+7x-1)+(8x+6)
6y2-(4x2+y)+(6x2-y2)
(9x2-6xy+—x)-(4x2-7xy+4x)
17
(—xy+2y2-4)-(x2+—xy+6y2-2)
23
(xy+—y+—)-(xy+x+9)
(7y+x+4z2)+(6y-5x-7z2)
(5k2+7k)-(4k2+6k+3)
(9a2+4a-b)+(3a2+6a-6b)
4x2+(5x2+3x-4)+(8x-5)
y2+(2x2-y)+(8x2+6y2)