七年级数学下册计算题大全9.docx
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七年级数学下册计算题大全9.docx
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七年级数学下册计算题大全9
(7k2-3k)+(2k2+4k+4)
(a2-7a+2b)+(3a2+2a-8b)
6x2-(3x2+8x+3)-(6x+5)
y2+(6x2-y)-(x2-6y2)
6
(7x2+7xy-—x)+(2x2+4xy-2x)
5
16
(—xy-4y2-9)+(x2-—xy-6y2-5)
87
41
(xy-—y+—)-(xy-x+5)
36
(8y-8x-7z2)-(9y-3x-8z2)
(3k2+7k)+(k2+4k+4)
(7a2+4a-8b)-(8a2-6a-6b)
5x2+(6x2+8x+6)+(6x-9)
8y2-(6x2+y)+(4x2+8y2)
2
(2x2+9xy-—x)+(4x2+xy+6x)
3
14
(—xy-8y2+2)-(x2-—xy-6y2+1)
63
71
(xy+—y+—)+(xy+x-7)
63
(9y-9x-4z2)-(4y-3x-7z2)
(5k2-6k)+(6k2+6k+6)
(9a2+8a+7b)-(6a2+7a+2b)
x2+(5x2-5x-2)+(x+8)
3y2-(7x2-y)-(3x2-7y2)
5
(3x2+8xy-—x)+(7x2-8xy-3x)
6
62
(—xy-9y2-5)+(x2+—xy+4y2+6)
53
89
(xy+—y-—)+(xy+x-4)
78
(3y+4x+6z2)+(5y-4x-7z2)
(4k2+8k)+(3k2+5k+7)
(4a2+7a-3b)-(6a2+2a-3b)
5x2-(x2+7x+8)+(7x-1)
9y2-(7x2-y)+(x2+9y2)
5
(8x2+4xy-—x)-(7x2-xy+x)
4
11
(—xy-8y2+3)-(x2-—xy-2y2+2)
36
14
(xy-—y+—)-(xy-x-2)
45
(8y-7x+4z2)-(7y+7x+4z2)
(k2+8k)+(5k2+6k+2)
(3a2+8a+8b)-(2a2+6a-8b)
x2+(9x2-9x-3)-(4x+2)
y2-(9x2-y)+(2x2+y2)
2
(4x2+6xy+—x)-(4x2-2xy+9x)
3
11
(—xy-6y2-1)+(x2-—xy+2y2-3)
43
17
(xy+—y+—)+(xy-x-2)
76
(2y-8x-2z2)+(9y+5x+4z2)
(2k2+7k)+(5k2+5k-9)
(a2+a+4b)-(9a2+3a+2b)
6x2-(7x2+x-1)+(9x+9)
8y2+(8x2+y)-(2x2+5y2)
1
(7x2+4xy+—x)+(9x2+2xy+4x)
4
42
(—xy+9y2+3)-(x2+—xy-5y2-9)
53
14
(xy-—y+—)+(xy+x+2)
65
(8y+9x-z2)+(y+5x+7z2)
(2k2+6k)-(5k2-4k-6)
(a2-9a-5b)+(5a2+5a-9b)
8x2-(7x2-3x-4)-(9x+6)
9y2-(x2+y)+(5x2-3y2)
1
(6x2-9xy-—x)+(6x2+8xy+8x)
3
18
(—xy-2y2-5)-(x2-—xy-4y2-1)
57
51
(xy-—y+—)-(xy+x+6)
68
(3y-5x-z2)-(3y+3x+6z2)
(5k2-7k)+(2k2+6k-2)
(7a2-5a-b)-(2a2-3a+5b)
6x2-(x2-6x+9)-(x-3)
3y2+(3x2+y)-(7x2-2y2)
9
(9x2+2xy+—x)+(2x2+xy-2x)
8
17
(—xy+7y2+6)-(x2+—xy+8y2-2)
68
24
(xy-—y-—)-(xy+x+7)
33
(y-7x-9z2)+(3y+7x+2z2)
(7k2+8k)-(7k2-9k+9)
(4a2-2a+4b)+(2a2+a+9b)
4x2+(9x2-8x-4)+(5x-1)
3y2+(4x2-y)-(7x2-2y2)
4
(2x2-7xy-—x)+(9x2-5xy-8x)
3
61
(—xy+3y2-2)+(x2+—xy-y2-9)
78
46
(xy-—y+—)+(xy+x-3)
35
(4y+4x-5z2)+(5y-3x+4z2)
(6k2-8k)+(8k2-6k+7)
(5a2-a+9b)-(3a2+7a+b)
3x2+(x2-4x-1)-(6x+1)
6y2+(4x2+y)+(4x2-7y2)
4
(8x2-xy-—x)+(2x2-6xy+5x)
3
11
(—xy-7y2-9)-(x2-—xy-4y2-6)
64
11
(xy+—y+—)-(xy-x-2)
83
(6y-3x-z2)-(6y-9x-2z2)
(9k2+6k)-(3k2-7k+5)
(5a2-a+2b)-(a2+a+5b)
x2-(6x2-5x-7)+(7x+5)
5y2-(2x2-y)+(4x2-8y2)
1
(3x2+8xy+—x)-(7x2+4xy-8x)
5
16
(—xy-2y2+1)+(x2+—xy+9y2-1)
67
66
(xy+—y+—)-(xy-x-4)
57
(y-4x+5z2)-(8y-2x+2z2)
(4k2-3k)+(6k2+3k+2)
(9a2+6a-4b)-(5a2-8a+4b)
2x2-(4x2-8x+9)-(9x+4)
2y2-(4x2+y)-(x2-9y2)
5
(4x2+6xy-—x)-(3x2-2xy-4x)
6
61
(—xy+y2-6)+(x2+—xy+6y2-1)
77
19
(xy-—y+—)-(xy+x+9)
78
(6y+x-9z2)+(6y-6x+8z2)
(2k2-6k)+(4k2+6k+3)
(2a2-a+4b)+(2a2+5a-b)
2x2-(6x2-9x+2)-(x+6)
2y2+(3x2+y)-(8x2+3y2)
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- 关 键 词:
- 七年 级数 下册 算题 大全
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