七年级数学下册计算题大全75.docx
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七年级数学下册计算题大全75.docx
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七年级数学下册计算题大全75
(9k2-3k)+(3k2-k-3)
(3a2+6a-6b)-(8a2-4a-b)
8x2-(8x2-5x+9)+(7x+6)
2y2+(7x2+y)+(x2+y2)
2
(5x2-8xy-—x)+(6x2-9xy+7x)
3
17
(—xy-9y2+9)-(x2+—xy-5y2+2)
66
41
(xy-—y+—)-(xy-x+2)
58
(9y+8x-2z2)+(y+9x-7z2)
(7k2+9k)+(k2-7k-7)
(4a2+a-8b)+(4a2+5a-8b)
9x2+(9x2+9x-8)+(x-3)
2y2-(8x2+y)-(3x2+8y2)
2
(2x2+2xy+—x)-(2x2-4xy+2x)
3
19
(—xy-9y2+1)+(x2+—xy+8y2+5)
48
19
(xy-—y+—)-(xy+x-9)
48
(6y+4x+3z2)-(y+5x+6z2)
(8k2-9k)+(4k2-8k-6)
(a2-8a+2b)+(4a2+8a-4b)
8x2+(8x2+7x+5)-(8x-3)
9y2-(4x2-y)+(5x2-7y2)
4
(2x2+7xy-—x)-(2x2-2xy+5x)
5
16
(—xy-4y2+9)-(x2-—xy+5y2+3)
47
71
(xy+—y-—)+(xy-x+5)
67
(6y+8x+2z2)+(2y+5x+6z2)
(4k2-7k)+(2k2+5k+2)
(6a2+6a-b)+(3a2-a+2b)
7x2+(3x2-5x-8)+(8x-8)
2y2+(9x2+y)+(6x2+4y2)
1
(x2+7xy+—x)-(3x2-2xy-x)
4
41
(—xy+2y2-6)-(x2+—xy-y2-6)
53
55
(xy+—y+—)-(xy-x+5)
66
(6y+3x+8z2)+(3y-9x+z2)
(5k2-k)-(5k2+8k+1)
(3a2-5a-5b)+(2a2+2a-3b)
x2+(4x2-4x+4)+(x+7)
5y2-(2x2+y)+(5x2-2y2)
1
(2x2-7xy-—x)+(7x2-xy+7x)
3
67
(—xy-y2+7)+(x2-—xy-2y2-2)
76
81
(xy-—y+—)+(xy-x+2)
73
(8y+2x+3z2)+(2y+4x+8z2)
(9k2-5k)+(9k2-k+1)
(9a2-7a-4b)-(6a2+5a+8b)
8x2-(7x2-9x-4)-(x+4)
3y2+(4x2+y)-(4x2-2y2)
4
(8x2+5xy-—x)+(7x2+xy+3x)
3
11
(—xy+9y2-9)-(x2+—xy-9y2+2)
38
14
(xy-—y+—)-(xy-x-5)
43
(7y-7x-2z2)-(6y+x-3z2)
(2k2-2k)+(7k2-7k+8)
(2a2+8a-9b)+(4a2+4a+9b)
5x2+(5x2+5x-3)-(4x-4)
y2+(9x2+y)-(3x2-7y2)
4
(7x2-xy+—x)+(2x2+4xy-4x)
5
16
(—xy-7y2+6)+(x2+—xy-4y2-4)
35
41
(xy+—y-—)-(xy+x+1)
34
(9y+4x+9z2)+(3y-4x-8z2)
(9k2-6k)+(k2+8k-6)
(2a2-9a+4b)-(6a2+4a-3b)
7x2+(7x2-8x-7)-(9x-6)
7y2+(x2-y)+(9x2+8y2)
5
(2x2-7xy+—x)+(4x2-2xy+4x)
6
51
(—xy-5y2+1)-(x2-—xy+6y2+5)
64
44
(xy+—y+—)+(xy+x+3)
55
(8y-x+4z2)-(6y+7x+3z2)
(k2+4k)+(8k2+5k+6)
(4a2+a-4b)+(8a2+4a+3b)
7x2+(6x2-8x-5)-(7x+6)
6y2-(6x2-y)+(4x2+8y2)
9
(2x2-5xy+—x)+(9x2-3xy-x)
8
42
(—xy+3y2+5)-(x2-—xy-9y2-7)
53
11
(xy-—y-—)+(xy+x-8)
37
(2y+9x-4z2)-(3y+5x+z2)
(9k2-3k)+(5k2+7k+2)
(7a2+7a-7b)-(a2-4a+6b)
3x2-(4x2-3x-8)+(x-1)
5y2-(6x2+y)+(6x2-3y2)
6
(8x2+xy-—x)+(8x2+9xy+4x)
5
61
(—xy+7y2-4)-(x2-—xy-3y2+2)
54
16
(xy+—y-—)+(xy+x+9)
87
(3y-2x-2z2)+(6y+6x+9z2)
(5k2-2k)-(k2+3k+1)
(5a2-2a-5b)+(6a2-2a-9b)
2x2+(2x2-7x-4)-(9x+8)
3y2+(2x2-y)-(6x2+8y2)
1
(8x2-4xy-—x)+(4x2-7xy-6x)
6
51
(—xy+9y2+3)+(x2-—xy-5y2+5)
63
86
(xy-—y-—)+(xy+x+7)
77
(7y+4x+9z2)+(5y+9x-7z2)
(2k2-4k)-(3k2+4k+2)
(5a2+8a+2b)-(2a2+4a+2b)
6x2+(4x2-5x+5)+(8x-8)
6y2-(8x2+y)+(5x2+2y2)
1
(2x2+6xy+—x)+(5x2+xy-4x)
7
19
(—xy+2y2+6)-(x2-—xy+3y2+9)
88
61
(xy+—y-—)-(xy+x-7)
78
(5y+5x+3z2)+(5y+4x-3z2)
(9k2+9k)+(8k2+k+3)
(5a2-7a+4b)-(5a2+5a+5b)
5x2+(3x2+8x+4)+(7x-1)
y2-(3x2+y)-(9x2+2y2)
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- 七年 级数 下册 算题 大全 75