七年级数学下册计算题大全42.docx
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七年级数学下册计算题大全42.docx
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七年级数学下册计算题大全42
5
(4x2-3xy-—x)+(8x2+xy+4x)
6
91
(—xy-5y2-2)-(x2+—xy-3y2+8)
85
11
(xy-—y-—)-(xy+x-8)
88
(5y+5x+4z2)-(7y-6x-2z2)
(8k2+2k)+(4k2+8k+1)
(8a2+9a-9b)-(9a2+4a+2b)
x2+(3x2+2x-8)-(x-3)
4y2+(8x2+y)+(5x2-3y2)
1
(2x2-8xy-—x)+(3x2+2xy-5x)
6
11
(—xy-4y2+3)-(x2+—xy+5y2-7)
47
18
(xy+—y+—)+(xy+x-1)
67
(2y+x+z2)+(5y-4x-3z2)
(k2-8k)+(7k2+5k+6)
(5a2-8a-8b)+(6a2-6a-8b)
8x2-(3x2-3x+1)-(x-1)
8y2+(3x2+y)-(6x2-6y2)
6
(4x2+3xy+—x)+(5x2+xy+7x)
7
41
(—xy+3y2-1)+(x2-—xy+9y2+1)
57
61
(xy-—y+—)+(xy+x-4)
58
(6y-6x-8z2)-(8y-x-z2)
(7k2+k)-(3k2+3k-8)
(6a2-5a+2b)+(4a2+7a-5b)
x2+(2x2+7x+4)-(2x+8)
9y2+(8x2-y)+(9x2+5y2)
3
(2x2-7xy+—x)-(6x2+6xy-4x)
4
91
(—xy+y2+4)-(x2+—xy+6y2-7)
88
13
(xy-—y+—)-(xy+x-8)
44
(4y-2x+6z2)-(2y-8x-z2)
(6k2+k)+(7k2+7k+6)
(4a2-4a-9b)+(4a2-8a+b)
6x2+(7x2-6x+4)-(8x+5)
3y2-(x2+y)+(5x2+2y2)
6
(2x2-2xy-—x)+(9x2-2xy-x)
7
41
(—xy+7y2-6)+(x2+—xy-2y2+3)
56
43
(xy-—y+—)-(xy-x-1)
54
(9y+4x+6z2)-(8y-4x-8z2)
(2k2+7k)+(3k2+3k-9)
(4a2+4a-5b)-(9a2-a+9b)
8x2+(9x2+4x-1)+(8x+2)
3y2+(8x2-y)-(5x2-5y2)
1
(x2-2xy-—x)-(4x2-8xy+2x)
6
35
(—xy-5y2+4)+(x2+—xy-8y2+9)
46
14
(xy+—y-—)+(xy+x+9)
85
(y+4x+5z2)-(6y+5x+3z2)
(3k2+8k)+(7k2+3k-7)
(3a2-6a-7b)+(8a2-3a-8b)
x2-(7x2+x+3)-(5x+2)
8y2-(4x2+y)+(x2+9y2)
7
(8x2-2xy-—x)-(9x2-3xy-2x)
8
19
(—xy+4y2+9)+(x2+—xy+9y2-3)
68
71
(xy-—y+—)+(xy-x+7)
84
(9y-2x+6z2)+(8y+9x-z2)
(2k2+9k)-(3k2+2k-8)
(5a2-3a-3b)-(7a2-4a+2b)
2x2-(5x2+3x-2)+(6x-3)
5y2-(2x2-y)-(3x2+9y2)
1
(4x2-3xy-—x)-(2x2+2xy+6x)
3
12
(—xy+9y2-3)-(x2+—xy+y2+1)
63
45
(xy-—y+—)+(xy+x+2)
56
(9y-3x-9z2)+(8y+2x-5z2)
(2k2-7k)+(6k2+3k-9)
(2a2-8a+6b)+(a2-3a+2b)
x2-(7x2-6x+8)-(x+1)
5y2-(4x2+y)-(4x2-8y2)
1
(7x2+6xy+—x)+(x2-7xy+8x)
7
84
(—xy-2y2+6)-(x2+—xy+8y2+8)
73
13
(xy+—y+—)+(xy+x+6)
34
(6y-8x-2z2)+(5y+9x+7z2)
(8k2-2k)-(k2+7k-8)
(5a2-4a+6b)-(3a2+7a-6b)
3x2-(x2+7x+5)-(4x+9)
6y2+(8x2+y)+(8x2+9y2)
1
(8x2+7xy+—x)-(5x2-8xy+4x)
6
17
(—xy-3y2+5)-(x2-—xy+2y2-7)
48
19
(xy+—y-—)-(xy-x+7)
88
(7y-5x+4z2)-(2y-7x-z2)
(6k2-9k)-(6k2-6k+8)
(7a2+8a-8b)+(6a2+8a-4b)
9x2+(6x2+x-3)-(5x-3)
5y2-(7x2-y)-(6x2-4y2)
7
(7x2+6xy+—x)-(6x2-3xy+6x)
6
59
(—xy+8y2-5)-(x2-—xy+8y2+5)
48
16
(xy+—y+—)-(xy+x+1)
77
(5y-x+2z2)+(4y-x+9z2)
(3k2-6k)-(8k2-4k-5)
(8a2-5a+8b)+(8a2-9a+7b)
4x2-(2x2-6x-1)-(5x+5)
2y2-(5x2+y)+(2x2-3y2)
1
(7x2-8xy-—x)-(2x2-8xy-7x)
6
15
(—xy+2y2+5)+(x2+—xy+2y2-9)
86
15
(xy-—y+—)-(xy-x+8)
46
(y-3x+6z2)+(9y-6x-8z2)
(8k2+7k)+(3k2+9k-9)
(2a2+9a-2b)-(7a2+5a+2b)
5x2-(3x2+4x-8)-(4x-5)
8y2-(5x2-y)+(7x2+8y2)
1
(2x2-3xy+—x)+(x2+7xy-7x)
6
31
(—xy-9y2-2)-(x2+—xy-7y2+6)
45
16
(xy+—y-—)-(xy+x-2)
57
(7y-2x-9z2)+(6y+7x-4z2)
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- 七年 级数 下册 算题 大全 42
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