七年级数学下册计算题大全112.docx
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七年级数学下册计算题大全112.docx
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七年级数学下册计算题大全112
9
(5x2-7xy+—x)-(x2-4xy-x)
8
73
(—xy-9y2-4)+(x2-—xy-5y2+5)
64
15
(xy+—y-—)-(xy+x+6)
66
(9y+9x+2z2)-(6y+6x-8z2)
(k2+9k)-(2k2-5k+7)
(3a2+5a+7b)-(6a2-5a+6b)
9x2+(4x2+6x-8)-(8x-7)
7y2-(8x2+y)+(2x2+3y2)
1
(6x2-7xy+—x)+(3x2-5xy-6x)
6
11
(—xy-9y2+7)+(x2-—xy+8y2+4)
84
17
(xy-—y+—)+(xy+x+3)
56
(5y+7x-5z2)-(6y-4x+2z2)
(9k2+3k)+(4k2-9k+9)
(6a2-3a+6b)+(a2-7a-8b)
7x2+(4x2+3x-3)+(8x-2)
8y2-(3x2-y)+(9x2-7y2)
5
(4x2+2xy+—x)+(5x2+4xy+x)
6
11
(—xy+8y2-5)-(x2-—xy-8y2+6)
33
21
(xy-—y-—)+(xy-x+5)
36
(4y+x-8z2)+(7y-5x-z2)
(5k2-3k)-(k2+6k+7)
(9a2+6a+8b)+(9a2-7a+5b)
2x2-(5x2-3x+2)+(2x+1)
6y2+(9x2+y)+(5x2+5y2)
1
(8x2-3xy+—x)+(x2+6xy+7x)
6
11
(—xy+7y2-7)-(x2+—xy+8y2-6)
74
74
(xy+—y+—)-(xy-x+4)
83
(2y+6x-z2)-(9y-8x-2z2)
(k2+3k)+(3k2-6k+8)
(2a2+9a+5b)+(4a2-a+4b)
9x2-(9x2+8x+9)+(x+2)
8y2+(8x2+y)+(3x2-4y2)
2
(5x2-xy-—x)-(8x2-4xy-7x)
3
49
(—xy-6y2-7)+(x2+—xy+8y2-4)
58
65
(xy+—y+—)+(xy-x+2)
76
(4y+4x+6z2)-(6y-8x-3z2)
(4k2+5k)+(4k2-8k+9)
(7a2+9a-5b)+(9a2-2a+7b)
5x2+(3x2+6x-2)+(3x-7)
8y2-(9x2-y)+(x2+5y2)
1
(5x2-8xy-—x)-(9x2+9xy+5x)
6
15
(—xy+4y2-6)+(x2-—xy-3y2-7)
56
16
(xy-—y-—)-(xy-x-4)
47
(8y-4x-6z2)+(6y+3x+z2)
(5k2-8k)+(4k2-2k-2)
(7a2+9a-8b)+(4a2+2a-2b)
4x2-(7x2-5x+1)+(x+5)
2y2+(8x2+y)-(5x2-3y2)
3
(2x2+6xy+—x)-(2x2+8xy-x)
4
15
(—xy-7y2-2)+(x2-—xy+4y2+7)
44
65
(xy-—y+—)-(xy-x+2)
74
(y+4x+4z2)+(6y+x-7z2)
(2k2-k)+(3k2-9k+7)
(7a2-2a-6b)+(6a2-a-7b)
2x2+(4x2+2x-1)-(x-8)
2y2+(3x2-y)+(3x2+3y2)
5
(8x2+6xy+—x)+(7x2+9xy+3x)
4
66
(—xy-4y2+3)+(x2+—xy+2y2+9)
55
41
(xy+—y-—)-(xy-x-7)
35
(6y+5x+3z2)-(y-7x+7z2)
(8k2+2k)+(6k2-3k-9)
(6a2+2a-9b)+(a2-5a+b)
8x2+(5x2+2x-3)-(6x-9)
6y2+(6x2-y)+(5x2-9y2)
1
(6x2+4xy-—x)-(7x2-8xy+8x)
6
53
(—xy-9y2-3)+(x2-—xy-3y2+1)
64
51
(xy-—y+—)+(xy+x+8)
64
(8y-5x+3z2)+(3y-x-8z2)
(k2+6k)-(9k2-3k-7)
(2a2-4a+9b)-(5a2-5a+8b)
4x2-(x2-6x+7)+(9x-8)
8y2-(6x2-y)-(8x2-4y2)
1
(2x2-xy-—x)-(3x2+4xy-4x)
5
71
(—xy+9y2+3)+(x2-—xy-y2+9)
85
11
(xy+—y+—)+(xy-x-2)
73
(3y-x-9z2)-(4y+8x+2z2)
(7k2-8k)-(5k2-8k+7)
(9a2+2a+6b)-(3a2+9a-7b)
x2-(8x2-5x+4)+(7x-7)
7y2-(2x2-y)-(4x2-7y2)
6
(8x2+xy+—x)+(2x2+xy+9x)
7
18
(—xy+y2-7)-(x2-—xy+6y2+8)
67
13
(xy-—y-—)-(xy+x-7)
54
(y-6x-7z2)-(5y+6x+5z2)
(8k2-4k)-(9k2-8k+6)
(7a2-a-8b)+(4a2-7a-9b)
x2+(3x2+7x+9)-(2x-5)
4y2-(4x2-y)-(9x2-7y2)
1
(2x2-6xy+—x)-(5x2-3xy+x)
8
16
(—xy+8y2-6)-(x2-—xy+7y2-9)
65
77
(xy+—y-—)-(xy-x+8)
68
(4y-8x-6z2)+(4y+9x-6z2)
(7k2-6k)+(4k2-5k+1)
(4a2-7a-9b)+(3a2+3a-2b)
5x2+(2x2+9x+1)+(x-1)
3y2+(x2-y)-(7x2-y2)
9
(x2+3xy+—x)+(6x2-4xy-3x)
8
57
(—xy-6y2-2)-(x2+—xy+9y2+8)
68
11
(xy+—y-—)+(xy+x+3)
36
(4y+9x-2z2)+(3y+8x-8z2)
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- 七年 级数 下册 算题 大全 112