七年级数学下册计算题大全235.docx
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七年级数学下册计算题大全235.docx
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七年级数学下册计算题大全235
(9k2-k)-(5k2-9k+9)
(3a2-9a+9b)+(7a2-3a+b)
7x2+(4x2-2x-6)-(5x+4)
9y2-(3x2+y)+(3x2-8y2)
4
(x2-8xy+—x)+(5x2+xy+x)
3
16
(—xy+2y2+9)+(x2+—xy-7y2+3)
45
76
(xy+—y+—)-(xy-x-2)
85
(y-6x-7z2)-(8y-3x+z2)
(8k2-7k)-(7k2-6k-3)
(3a2-6a+9b)-(5a2-9a-5b)
6x2-(4x2+5x+6)+(2x-7)
6y2-(7x2-y)-(7x2+2y2)
7
(2x2-7xy-—x)+(4x2+7xy-9x)
6
16
(—xy-3y2-1)-(x2+—xy+5y2-2)
57
97
(xy-—y-—)+(xy-x-9)
86
(8y-8x-4z2)+(5y+3x+7z2)
(6k2+7k)-(9k2+5k-5)
(5a2-6a-2b)-(7a2-7a-3b)
6x2-(2x2+9x+2)-(5x-6)
7y2+(2x2-y)-(x2+y2)
1
(4x2-6xy-—x)-(2x2-5xy+2x)
4
81
(—xy+3y2-9)-(x2-—xy+4y2+9)
75
24
(xy+—y-—)-(xy+x+2)
33
(6y-3x+6z2)-(2y+6x-z2)
(2k2-8k)-(2k2+6k+9)
(2a2+7a+7b)+(a2+3a+6b)
5x2-(2x2+2x+5)-(3x+9)
y2+(7x2-y)+(3x2-3y2)
3
(8x2+4xy+—x)+(2x2-2xy+5x)
4
51
(—xy+4y2-5)-(x2-—xy+2y2+1)
45
11
(xy+—y-—)+(xy+x+5)
56
(8y+5x-6z2)-(2y-6x-7z2)
(2k2+3k)+(5k2-7k-3)
(8a2-a-2b)+(8a2-4a-4b)
9x2+(4x2-9x+3)+(8x-1)
7y2+(x2-y)-(3x2-9y2)
9
(6x2-7xy+—x)-(4x2+xy-x)
8
61
(—xy+5y2+9)+(x2-—xy-2y2+4)
57
11
(xy-—y+—)-(xy+x-6)
64
(4y+4x+4z2)+(7y-7x-5z2)
(8k2-4k)-(6k2-k-2)
(5a2+6a-5b)+(8a2+3a-4b)
8x2+(8x2-7x-5)+(6x-4)
9y2-(6x2+y)+(2x2-5y2)
1
(8x2+6xy+—x)-(4x2-3xy+6x)
5
17
(—xy-5y2-8)+(x2-—xy+7y2-2)
76
11
(xy+—y-—)-(xy+x+2)
74
(2y+3x+9z2)-(y-4x-5z2)
(7k2-9k)+(3k2+7k-9)
(3a2+6a+b)-(2a2+4a+b)
3x2+(3x2-3x+2)+(6x+8)
2y2-(2x2-y)-(7x2+7y2)
1
(6x2+3xy-—x)-(6x2+2xy-x)
7
11
(—xy-5y2-8)-(x2+—xy+2y2+6)
83
41
(xy-—y-—)+(xy-x+8)
58
(5y+6x+3z2)+(9y-4x-5z2)
(2k2+5k)-(2k2-8k+1)
(7a2+a-2b)-(4a2+5a+9b)
5x2+(x2+4x-2)+(2x-5)
8y2+(3x2+y)-(6x2+3y2)
6
(x2-xy+—x)+(3x2+5xy+5x)
5
15
(—xy+3y2-7)-(x2+—xy-5y2+9)
56
15
(xy+—y+—)-(xy+x-6)
34
(3y+4x+6z2)-(4y+6x-4z2)
(7k2-2k)-(9k2-9k+7)
(3a2-a-b)-(a2+a+5b)
3x2-(2x2+5x-6)+(8x-1)
7y2-(6x2+y)-(3x2+3y2)
3
(5x2-xy+—x)-(3x2-2xy+x)
4
11
(—xy+2y2-2)-(x2+—xy-8y2-9)
74
18
(xy-—y+—)+(xy+x-8)
87
(4y-5x+7z2)+(5y-5x+6z2)
(7k2-2k)+(6k2-5k-7)
(6a2+a+5b)-(4a2-7a+b)
5x2-(5x2+4x-5)-(x-6)
9y2+(8x2-y)+(x2+9y2)
6
(8x2+9xy+—x)+(2x2+6xy-8x)
7
51
(—xy+6y2-2)+(x2-—xy+5y2-4)
68
87
(xy+—y+—)+(xy-x+8)
78
(y+8x+4z2)+(9y+4x+5z2)
(k2-9k)+(7k2+3k-5)
(7a2-8a+6b)-(8a2+6a-b)
2x2-(9x2+3x+4)+(4x-3)
8y2+(2x2-y)+(9x2+5y2)
1
(9x2-4xy-—x)-(6x2-8xy+6x)
3
14
(—xy-7y2-6)+(x2-—xy-9y2-5)
73
71
(xy-—y+—)-(xy-x+7)
83
(y+3x-7z2)-(6y+5x-2z2)
(3k2+3k)+(8k2-8k-4)
(2a2-4a+3b)-(9a2+5a-9b)
7x2+(4x2+x+2)+(5x-9)
3y2-(3x2-y)-(5x2-7y2)
6
(2x2-xy+—x)-(x2-6xy+5x)
7
11
(—xy-2y2+2)-(x2-—xy+2y2-5)
36
19
(xy+—y-—)+(xy+x+2)
38
(2y+8x-2z2)-(7y-8x+8z2)
(2k2-8k)+(9k2+3k+8)
(3a2+a-9b)+(4a2-6a-b)
8x2+(6x2+6x+5)+(5x+7)
2y2-(5x2-y)-(6x2-4y2)
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- 七年 级数 下册 算题 大全 235
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