七年级数学下册计算题大全40.docx
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七年级数学下册计算题大全40.docx
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七年级数学下册计算题大全40
5
(6x2-2xy-—x)+(2x2+8xy-2x)
6
86
(—xy+8y2-8)-(x2+—xy-7y2+7)
77
11
(xy-—y+—)-(xy-x+7)
86
(8y-2x-7z2)+(7y+6x-7z2)
(4k2-2k)+(8k2-5k-4)
(a2-4a-2b)+(7a2-9a+6b)
2x2+(2x2-9x-2)+(4x+8)
2y2+(8x2+y)+(x2+5y2)
7
(6x2-6xy-—x)-(3x2-8xy-2x)
6
78
(—xy-5y2-4)-(x2-—xy-9y2-1)
87
52
(xy-—y-—)-(xy+x+4)
43
(7y+6x-6z2)-(8y-4x+8z2)
(3k2+7k)-(2k2+4k-7)
(3a2-3a+7b)-(7a2-5a-6b)
9x2+(9x2-5x+7)-(2x+8)
3y2-(9x2+y)-(3x2-6y2)
8
(9x2+8xy+—x)-(9x2+3xy+2x)
7
71
(—xy+y2+3)+(x2+—xy-2y2+1)
83
46
(xy+—y-—)+(xy-x-3)
35
(2y+2x-4z2)-(8y-9x+9z2)
(k2+9k)-(9k2+3k-8)
(5a2-9a-2b)-(5a2+8a+4b)
2x2+(9x2+4x-9)-(5x-1)
6y2+(x2+y)+(6x2-y2)
1
(9x2-9xy+—x)+(9x2-5xy+8x)
5
51
(—xy-3y2+5)-(x2-—xy+y2-5)
45
25
(xy+—y+—)+(xy+x-8)
34
(5y+3x+7z2)-(y-x+2z2)
(8k2+5k)-(9k2-3k-1)
(a2-8a-5b)+(6a2-5a-3b)
2x2-(6x2+2x+7)+(7x+5)
3y2+(5x2+y)-(3x2-9y2)
1
(8x2+5xy-—x)+(4x2+9xy-6x)
3
58
(—xy-5y2-5)-(x2-—xy-8y2+3)
47
79
(xy+—y+—)+(xy+x-3)
88
(4y-2x+3z2)+(4y-x+8z2)
(3k2+7k)+(3k2+2k-3)
(5a2-2a-9b)-(3a2-6a-3b)
4x2-(5x2-8x+5)-(4x+1)
2y2+(x2-y)-(4x2-y2)
1
(7x2+9xy-—x)+(3x2-5xy-7x)
5
21
(—xy-7y2+4)-(x2-—xy-4y2+1)
34
16
(xy-—y-—)+(xy-x+9)
37
(8y+6x+3z2)+(8y-x+3z2)
(2k2-3k)+(9k2-k-4)
(a2-a-b)+(3a2-6a+8b)
2x2+(8x2+6x+6)+(3x+2)
5y2-(7x2+y)+(2x2-9y2)
5
(x2+6xy+—x)+(2x2-6xy-4x)
6
97
(—xy+6y2-3)-(x2+—xy-4y2+6)
88
68
(xy-—y+—)+(xy-x+7)
57
(y+2x-8z2)-(3y-6x-6z2)
(2k2-9k)-(8k2-k+7)
(2a2-2a-7b)-(8a2+6a-4b)
6x2-(7x2-x+8)+(4x+4)
9y2-(7x2-y)+(5x2-4y2)
8
(3x2+5xy+—x)+(2x2+3xy-6x)
7
86
(—xy-8y2+6)-(x2+—xy+7y2+3)
77
12
(xy+—y-—)+(xy-x-4)
73
(2y-2x-6z2)+(4y-9x-5z2)
(6k2-7k)-(7k2+7k+4)
(9a2-4a+8b)-(9a2+3a+3b)
6x2-(4x2+4x+8)-(8x-1)
5y2+(5x2+y)+(6x2+y2)
1
(x2-7xy+—x)-(9x2+7xy-4x)
3
73
(—xy-4y2-6)-(x2-—xy+9y2-1)
84
11
(xy+—y-—)-(xy+x-4)
67
(2y-2x+9z2)+(9y+x+2z2)
(5k2+6k)+(4k2+4k-8)
(3a2-9a-6b)-(2a2+9a-2b)
6x2+(5x2+6x-8)+(x+7)
5y2-(9x2-y)-(9x2+5y2)
1
(6x2-8xy+—x)+(x2+3xy+8x)
4
18
(—xy+y2+2)+(x2+—xy+3y2+2)
47
14
(xy-—y+—)-(xy-x+6)
75
(5y+8x+2z2)+(3y+x-6z2)
(7k2+6k)-(6k2-2k-4)
(4a2+5a-2b)+(3a2-a+6b)
8x2-(8x2+7x+1)+(7x+5)
6y2-(4x2+y)-(x2-8y2)
1
(2x2+4xy-—x)-(3x2+5xy-8x)
7
16
(—xy+2y2+3)-(x2+—xy+6y2-7)
55
11
(xy+—y+—)+(xy-x-3)
73
(7y+7x+2z2)-(5y-5x+9z2)
(6k2+4k)-(5k2+7k-3)
(9a2+5a+4b)-(2a2-a+6b)
x2-(9x2-9x-6)-(9x-2)
3y2+(6x2+y)-(x2-y2)
1
(9x2+xy+—x)-(7x2+9xy+4x)
6
11
(—xy+5y2+3)+(x2-—xy+y2+4)
87
11
(xy+—y+—)-(xy+x+6)
34
(y-2x+5z2)+(9y+6x-z2)
(4k2-3k)-(k2+6k+7)
(5a2-a-5b)-(2a2-2a-5b)
9x2-(4x2+3x+9)-(9x+4)
8y2+(4x2+y)-(7x2+7y2)
7
(6x2-4xy-—x)+(9x2+5xy+3x)
8
13
(—xy+6y2+8)+(x2+—xy+9y2-8)
84
17
(xy-—y+—)+(xy-x+5)
48
(6y+9x-7z2)-(2y+9x-z2)
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- 七年 级数 下册 算题 大全 40
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