七年级数学下册计算题大全142.docx
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七年级数学下册计算题大全142.docx
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七年级数学下册计算题大全142
1
(9x2+2xy+—x)-(5x2-2xy+7x)
7
76
(—xy+y2+3)+(x2+—xy-2y2+9)
65
17
(xy-—y-—)+(xy-x+4)
48
(3y+7x+2z2)+(9y-7x+7z2)
(7k2-8k)-(k2-6k-3)
(4a2-4a-5b)-(a2-8a+7b)
7x2-(5x2-7x+4)+(4x-8)
y2+(8x2-y)-(6x2+2y2)
1
(7x2-3xy-—x)-(x2+xy-7x)
5
11
(—xy-4y2+1)+(x2-—xy-3y2+1)
47
11
(xy+—y-—)+(xy+x-6)
75
(y-x+3z2)-(2y-6x+7z2)
(2k2+k)-(6k2-6k+1)
(7a2-9a-3b)+(5a2+2a+7b)
3x2+(3x2-6x-7)+(4x+6)
6y2-(2x2+y)-(6x2-9y2)
5
(5x2-3xy+—x)-(9x2-3xy+9x)
4
55
(—xy-9y2-3)+(x2-—xy+y2-5)
64
21
(xy-—y-—)-(xy-x-8)
36
(2y+2x+5z2)+(6y+5x+3z2)
(8k2+8k)-(5k2-6k+9)
(7a2+2a+4b)+(3a2+4a+b)
9x2+(x2+8x-1)+(3x-2)
4y2+(2x2-y)-(x2+y2)
1
(3x2+5xy-—x)-(6x2+3xy+2x)
4
93
(—xy+9y2+4)+(x2+—xy-8y2+5)
84
47
(xy+—y+—)-(xy+x-7)
56
(9y+8x+2z2)-(9y-2x-6z2)
(k2+k)+(8k2+4k-3)
(7a2+7a+3b)+(9a2-2a+5b)
2x2+(6x2-3x+9)-(3x+6)
7y2+(5x2+y)-(7x2+y2)
4
(8x2-8xy+—x)-(9x2-4xy-5x)
5
17
(—xy+y2-3)-(x2+—xy+9y2+5)
86
11
(xy-—y+—)-(xy+x+8)
86
(5y+4x+4z2)-(2y+5x-7z2)
(5k2-8k)+(9k2+9k+9)
(6a2+a+6b)-(8a2-2a-3b)
7x2+(2x2-3x-7)-(x-2)
9y2+(7x2+y)+(3x2+6y2)
5
(6x2+2xy-—x)-(2x2+5xy-8x)
6
14
(—xy-y2-7)+(x2-—xy+9y2+2)
63
17
(xy+—y+—)-(xy-x+4)
46
(8y+9x-4z2)+(3y-8x+7z2)
(k2+8k)-(5k2+6k+1)
(4a2+a+7b)+(4a2+6a+4b)
8x2-(3x2+4x+3)+(7x-7)
3y2-(3x2+y)-(8x2+2y2)
1
(2x2-8xy+—x)+(5x2-7xy+6x)
5
66
(—xy-7y2-3)+(x2-—xy-9y2+2)
77
61
(xy+—y-—)-(xy-x-7)
54
(8y-7x-4z2)+(6y+3x+8z2)
(k2-3k)-(9k2+2k-7)
(a2-3a+4b)-(4a2+3a+7b)
x2+(2x2+5x-5)-(9x+3)
3y2+(6x2-y)-(8x2-9y2)
7
(8x2+4xy-—x)-(7x2-8xy+6x)
8
16
(—xy+7y2-8)+(x2-—xy-3y2-7)
77
61
(xy-—y-—)-(xy+x+1)
55
(7y-9x+8z2)-(2y+5x+2z2)
(2k2+3k)-(k2-6k+4)
(a2+a+2b)-(6a2-8a+4b)
7x2-(8x2-2x+5)-(2x-5)
8y2+(x2+y)+(5x2-3y2)
1
(7x2+8xy+—x)+(x2-4xy+3x)
3
15
(—xy+6y2+6)+(x2-—xy+9y2+2)
76
61
(xy+—y-—)-(xy-x+6)
58
(9y-4x+7z2)+(5y-7x-5z2)
(5k2-4k)-(9k2-6k-4)
(3a2-a-4b)+(4a2-2a+3b)
3x2-(9x2+6x-6)-(x+7)
y2-(x2-y)-(x2-9y2)
5
(4x2+4xy+—x)+(7x2-7xy+7x)
6
14
(—xy+7y2+9)-(x2+—xy+8y2+7)
65
27
(xy+—y+—)-(xy-x+7)
36
(7y+3x+7z2)+(5y-5x+z2)
(4k2-2k)-(6k2-2k-4)
(5a2+5a-8b)-(5a2+4a-4b)
4x2+(4x2+7x-1)-(x-9)
5y2-(8x2-y)-(6x2-7y2)
5
(9x2+9xy-—x)-(5x2+5xy-3x)
6
59
(—xy-4y2+4)+(x2+—xy-4y2+2)
68
17
(xy-—y+—)-(xy+x-3)
38
(7y+7x-z2)-(6y+4x+4z2)
(7k2+4k)-(8k2-k-7)
(7a2-a-2b)+(9a2+9a+5b)
x2+(9x2+7x+2)-(3x-5)
5y2-(7x2+y)+(2x2-8y2)
6
(8x2+3xy-—x)-(7x2-8xy+8x)
5
11
(—xy+4y2-2)-(x2+—xy-7y2-4)
87
19
(xy-—y-—)-(xy+x-8)
38
(8y+6x+9z2)+(4y+3x-9z2)
(5k2-2k)-(2k2+2k-6)
(9a2+8a-b)+(7a2+9a+6b)
8x2-(2x2-x-2)+(2x-1)
9y2-(8x2-y)+(5x2+2y2)
5
(3x2+8xy-—x)+(4x2-8xy-7x)
6
11
(—xy+6y2+8)-(x2+—xy-8y2+8)
86
17
(xy+—y-—)-(xy+x+4)
68
(4y+4x+2z2)-(2y+3x+3z2)
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- 七年 级数 下册 算题 大全 142