七年级数学下册计算题大全13.docx
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七年级数学下册计算题大全13.docx
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七年级数学下册计算题大全13
(7k2+7k)+(8k2+2k-9)
(5a2-3a+7b)-(7a2+6a+6b)
2x2-(8x2+4x+5)-(8x+5)
y2-(6x2+y)+(2x2-4y2)
1
(4x2+7xy+—x)+(8x2-5xy-x)
5
69
(—xy+6y2+4)-(x2+—xy+4y2-2)
78
16
(xy-—y-—)-(xy+x+7)
57
(y-8x+6z2)-(9y-7x-2z2)
(3k2-7k)-(9k2-7k-4)
(2a2+2a+5b)+(7a2-5a-9b)
8x2-(6x2+2x+3)-(8x-7)
4y2+(3x2+y)-(7x2-9y2)
6
(2x2+8xy-—x)+(6x2-5xy-8x)
7
71
(—xy+2y2+4)+(x2-—xy-2y2+1)
85
96
(xy+—y-—)-(xy-x-8)
85
(2y+8x+7z2)+(6y+9x-9z2)
(4k2-6k)-(4k2+7k-7)
(9a2+7a-3b)+(7a2-8a+6b)
9x2+(4x2-7x-5)+(2x+9)
7y2+(4x2+y)-(3x2+2y2)
6
(4x2+xy-—x)-(5x2-xy-3x)
7
71
(—xy+3y2+8)-(x2+—xy+8y2+4)
66
71
(xy+—y-—)-(xy-x-5)
67
(9y+8x-z2)+(4y-3x-9z2)
(4k2-7k)+(5k2-7k+6)
(2a2+6a+b)+(5a2-6a-6b)
5x2-(3x2-x+7)-(6x+5)
6y2-(7x2-y)-(6x2-4y2)
7
(6x2+xy+—x)-(7x2+3xy-6x)
6
12
(—xy+y2-3)-(x2+—xy+8y2-8)
43
64
(xy-—y+—)+(xy+x+6)
75
(6y+3x+6z2)+(7y+6x+2z2)
(4k2-5k)-(6k2-k+3)
(5a2+3a+9b)-(9a2+6a+4b)
2x2+(2x2-3x+1)+(4x-7)
3y2+(2x2-y)-(6x2-7y2)
1
(7x2-xy-—x)-(5x2+7xy-3x)
4
11
(—xy-y2-2)-(x2+—xy+6y2+7)
67
11
(xy-—y-—)+(xy+x+5)
43
(2y-6x+3z2)+(7y-4x-4z2)
(5k2+5k)+(8k2+6k+4)
(3a2-6a-5b)-(8a2+7a+b)
8x2+(x2-8x-2)+(5x-3)
3y2-(6x2+y)+(3x2+8y2)
1
(8x2+8xy-—x)-(3x2-4xy-8x)
5
11
(—xy+y2-4)+(x2+—xy-5y2-7)
47
61
(xy-—y+—)-(xy+x+8)
58
(5y+2x+5z2)-(6y+9x-4z2)
(5k2-5k)+(4k2-k+4)
(9a2-a+b)+(6a2+6a+2b)
9x2-(2x2-2x+5)+(9x+9)
8y2-(9x2+y)-(6x2-3y2)
5
(4x2-5xy+—x)+(3x2+xy-3x)
4
71
(—xy+2y2-4)-(x2-—xy-5y2+3)
63
51
(xy-—y+—)+(xy-x-6)
44
(7y+8x-4z2)+(2y+3x-9z2)
(k2+6k)+(3k2-7k-6)
(5a2-4a+8b)-(7a2-4a-9b)
6x2-(4x2+6x-2)+(x-3)
2y2-(5x2+y)+(8x2-4y2)
6
(2x2-7xy+—x)+(3x2+5xy-7x)
5
14
(—xy+3y2+3)+(x2-—xy+7y2+8)
55
54
(xy-—y+—)-(xy-x+6)
43
(2y-7x+3z2)-(6y-7x-z2)
(9k2+3k)+(8k2+k-3)
(6a2+2a-5b)-(5a2+9a+5b)
x2-(8x2-x-9)-(2x+3)
5y2+(8x2+y)-(4x2-4y2)
5
(x2+3xy-—x)-(5x2+7xy-2x)
4
17
(—xy+6y2+3)-(x2+—xy+7y2+9)
88
97
(xy-—y+—)-(xy+x-6)
86
(6y+4x+z2)+(8y-5x+5z2)
(3k2+4k)-(2k2-3k+4)
(7a2+7a-3b)-(a2-7a-7b)
8x2-(7x2+4x-3)+(x+7)
9y2+(8x2+y)+(3x2-5y2)
1
(9x2-8xy+—x)-(8x2+9xy-7x)
6
15
(—xy-3y2-2)-(x2+—xy+4y2-1)
84
11
(xy-—y-—)+(xy+x+5)
38
(5y+8x+5z2)+(3y+8x-9z2)
(9k2-8k)-(3k2+8k-2)
(8a2+3a-3b)+(7a2-6a-8b)
5x2-(4x2-3x-2)-(x-8)
6y2+(7x2+y)+(x2-4y2)
4
(6x2-2xy-—x)+(5x2+8xy-9x)
5
58
(—xy-9y2+9)-(x2-—xy+3y2-2)
47
58
(xy-—y+—)+(xy-x-2)
47
(7y+3x+z2)-(9y-3x+z2)
(7k2-9k)-(2k2-8k+4)
(5a2-5a+5b)-(a2+3a-7b)
x2+(5x2+2x-8)+(x+4)
4y2+(2x2-y)+(4x2+5y2)
5
(8x2-6xy+—x)-(x2-6xy+8x)
4
77
(—xy-4y2-9)-(x2+—xy+4y2+5)
66
17
(xy-—y+—)-(xy+x-3)
36
(6y-4x+6z2)+(y-8x-7z2)
(9k2+7k)+(5k2-2k+7)
(8a2+6a+7b)-(8a2-8a+4b)
2x2-(8x2-x+6)+(2x-2)
y2+(3x2+y)+(9x2+3y2)
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- 七年 级数 下册 算题 大全 13