七年级数学下册计算题大全76.docx
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七年级数学下册计算题大全76
1
(6x2-5xy-—x)+(8x2-2xy+4x)
7
13
(—xy+8y2+8)-(x2+—xy-3y2+7)
64
11
(xy-—y-—)-(xy-x+2)
67
(5y+2x+7z2)+(4y+3x+9z2)
(2k2-k)+(2k2-3k+6)
(8a2+9a-7b)+(3a2-4a+5b)
9x2-(8x2+6x-4)-(3x-7)
2y2+(5x2+y)+(7x2-2y2)
8
(6x2+6xy-—x)-(4x2-4xy-2x)
7
78
(—xy-7y2+8)-(x2+—xy+y2-6)
67
15
(xy-—y+—)+(xy-x-7)
36
(5y-7x-5z2)+(5y+7x-6z2)
(6k2-7k)-(4k2-9k-6)
(5a2+2a-9b)-(5a2-9a-7b)
4x2+(7x2+8x-1)-(x-5)
2y2-(6x2-y)-(7x2+3y2)
7
(8x2+2xy+—x)-(9x2-4xy-7x)
8
13
(—xy+8y2+2)-(x2+—xy-7y2+8)
44
14
(xy+—y-—)+(xy+x+9)
85
(3y+7x+5z2)-(8y-6x-5z2)
(6k2-7k)+(7k2-7k+2)
(2a2-9a+8b)+(4a2+7a-3b)
2x2+(4x2+4x+9)+(2x+8)
2y2-(5x2+y)+(6x2-8y2)
1
(2x2-4xy+—x)-(3x2-6xy+4x)
7
16
(—xy-5y2-9)+(x2-—xy-5y2+9)
35
11
(xy+—y+—)-(xy+x+3)
36
(2y+4x-8z2)-(6y+3x+8z2)
(4k2+7k)-(7k2+4k-4)
(5a2-2a+5b)-(a2-6a-3b)
6x2-(7x2-3x-6)+(4x-8)
y2+(2x2-y)+(4x2-2y2)
5
(5x2+9xy+—x)+(7x2+4xy+4x)
4
11
(—xy-9y2+9)-(x2-—xy+3y2-9)
57
15
(xy+—y+—)+(xy-x-7)
34
(5y+x-z2)-(6y+6x+8z2)
(3k2+8k)+(k2-9k-1)
(a2-6a-6b)-(6a2+3a-2b)
9x2-(4x2-7x-7)-(5x+5)
y2-(4x2+y)-(7x2+4y2)
1
(6x2-6xy-—x)-(4x2+9xy-6x)
4
91
(—xy+8y2-4)-(x2+—xy-5y2-8)
86
11
(xy+—y+—)-(xy+x-8)
54
(2y+8x-9z2)+(3y-4x+4z2)
(7k2+9k)+(k2-7k-6)
(9a2-8a+8b)-(5a2+9a+7b)
7x2+(7x2+9x+4)-(7x-6)
9y2-(2x2-y)-(3x2-5y2)
1
(8x2-3xy+—x)+(9x2+9xy-5x)
4
11
(—xy+7y2+3)+(x2+—xy+5y2-1)
78
11
(xy-—y-—)+(xy-x-7)
68
(9y-8x+9z2)-(7y-9x-5z2)
(4k2+2k)-(8k2+8k-5)
(2a2+9a-2b)+(9a2+3a+4b)
6x2-(x2+5x-9)+(8x-2)
8y2+(3x2-y)-(5x2+5y2)
1
(x2+8xy-—x)+(9x2-6xy+x)
6
41
(—xy+6y2-2)-(x2+—xy+y2+4)
33
15
(xy+—y+—)+(xy-x-3)
56
(4y+4x-4z2)+(8y-9x+8z2)
(4k2+2k)+(9k2+9k+6)
(8a2-2a+3b)+(4a2-6a-b)
7x2-(8x2-2x-5)+(7x+7)
6y2-(8x2+y)-(6x2-6y2)
5
(5x2+2xy-—x)-(5x2+5xy-2x)
6
18
(—xy+2y2+8)+(x2+—xy-y2-8)
47
15
(xy-—y+—)-(xy+x+2)
56
(9y-6x-z2)+(3y-4x-5z2)
(2k2+4k)-(6k2-7k+3)
(2a2+7a+2b)-(4a2-7a+9b)
7x2-(6x2+7x+6)-(x+2)
5y2-(9x2-y)-(4x2-8y2)
3
(5x2-4xy-—x)+(8x2-8xy-8x)
4
84
(—xy-7y2+2)-(x2+—xy+9y2+9)
75
58
(xy-—y+—)+(xy-x-2)
67
(4y+8x+z2)+(9y+2x+z2)
(7k2-9k)-(5k2+4k+1)
(9a2-3a+5b)-(6a2-6a-3b)
7x2-(2x2-8x-3)-(5x+9)
6y2+(5x2+y)+(x2+5y2)
1
(2x2-4xy-—x)+(4x2-xy-5x)
3
64
(—xy-8y2+3)-(x2+—xy+7y2+5)
53
11
(xy+—y+—)-(xy-x-3)
84
(4y+2x-7z2)-(6y+6x-z2)
(2k2+2k)-(k2-2k+1)
(2a2-7a+3b)-(a2-a-2b)
4x2+(6x2+3x-6)-(3x-9)
2y2-(x2+y)-(8x2-y2)
1
(4x2-5xy+—x)-(6x2+9xy+6x)
8
75
(—xy+y2-9)-(x2+—xy+2y2+9)
66
48
(xy-—y+—)+(xy+x+2)
57
(9y-5x-7z2)-(6y-6x+9z2)
(7k2+8k)+(3k2-6k-2)
(a2-2a+5b)+(9a2+6a+5b)
6x2+(4x2-9x+7)+(4x-2)
9y2-(7x2+y)+(6x2-8y2)
1
(7x2-4xy+—x)+(9x2-6xy-9x)
4
69
(—xy-5y2-6)+(x2-—xy+5y2-7)
78
64
(xy+—y-—)-(xy+x+3)
55
(5y-x+7z2)-(4y-3x+6z2)