七年级数学下册计算题大全2.docx
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七年级数学下册计算题大全2.docx
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七年级数学下册计算题大全2
5
(x2+3xy-—x)-(7x2-7xy-6x)
6
19
(—xy+3y2+2)+(x2-—xy-9y2-5)
48
85
(xy-—y+—)+(xy-x-9)
76
(3y+5x+2z2)+(4y+7x-4z2)
(7k2-7k)-(2k2-2k+8)
(7a2+4a-6b)-(7a2-9a+4b)
4x2-(4x2+7x+2)-(5x+5)
6y2+(9x2-y)+(6x2-y2)
5
(5x2-5xy+—x)+(9x2+4xy-3x)
6
19
(—xy+7y2+5)-(x2-—xy-6y2+8)
68
81
(xy-—y-—)-(xy+x+4)
77
(6y+2x+2z2)+(y+9x-z2)
(4k2-2k)-(5k2+9k-7)
(9a2+2a-2b)-(3a2+2a-9b)
2x2-(5x2-7x-3)-(9x+9)
y2-(4x2+y)+(3x2+y2)
3
(x2+6xy+—x)-(2x2-9xy-x)
4
14
(—xy-2y2-1)-(x2-—xy-4y2+9)
63
15
(xy-—y-—)-(xy+x+5)
64
(4y-3x-4z2)+(3y+8x-3z2)
(2k2-6k)+(5k2-8k+7)
(2a2-6a+3b)-(5a2+a+3b)
4x2-(9x2-7x+6)-(8x+8)
3y2-(7x2-y)+(3x2+4y2)
1
(6x2+xy-—x)+(8x2-3xy-5x)
6
13
(—xy+6y2-5)-(x2+—xy+y2+5)
64
11
(xy-—y-—)+(xy-x+6)
73
(2y-8x-3z2)+(6y-8x+4z2)
(3k2-5k)+(6k2+7k-5)
(7a2-9a-4b)+(7a2+2a-8b)
x2+(3x2+8x-6)-(x-6)
y2-(4x2+y)+(9x2+9y2)
5
(2x2+8xy+—x)+(2x2+6xy+9x)
4
14
(—xy-y2-9)-(x2-—xy-7y2-9)
65
75
(xy+—y-—)-(xy+x-7)
86
(3y+2x+4z2)-(8y-3x-5z2)
(5k2-7k)-(8k2+4k-5)
(2a2-6a+4b)+(2a2-5a-7b)
x2-(x2-4x-6)+(7x+1)
6y2+(4x2-y)-(5x2-9y2)
7
(8x2-9xy-—x)-(9x2-5xy-8x)
8
17
(—xy+7y2+3)+(x2-—xy+7y2-8)
48
71
(xy+—y-—)-(xy+x-3)
88
(2y-8x-9z2)+(2y-8x-z2)
(6k2-2k)-(2k2+4k+7)
(6a2-5a-5b)+(6a2-7a-b)
9x2-(4x2+3x+6)+(2x-4)
9y2-(7x2-y)-(9x2+2y2)
1
(3x2-3xy+—x)-(9x2-5xy-9x)
7
16
(—xy+8y2-8)-(x2+—xy+8y2+3)
45
11
(xy-—y+—)+(xy+x+1)
48
(2y+8x+8z2)-(8y+8x+7z2)
(2k2-5k)-(5k2+3k-5)
(6a2+3a-4b)-(2a2-8a+3b)
2x2-(5x2-8x+5)+(3x-6)
5y2+(9x2-y)-(6x2+8y2)
4
(4x2-xy-—x)-(5x2-7xy+9x)
3
11
(—xy-4y2-4)+(x2+—xy+9y2+5)
84
51
(xy+—y-—)+(xy+x-9)
63
(3y+4x-8z2)+(4y+2x+z2)
(2k2-6k)-(6k2+4k-1)
(4a2-7a-2b)-(9a2+4a-8b)
3x2-(x2-4x+5)+(3x-1)
7y2-(9x2+y)-(4x2+2y2)
8
(4x2+6xy+—x)+(8x2+2xy+7x)
7
19
(—xy+9y2+8)+(x2-—xy+6y2+6)
68
78
(xy-—y+—)+(xy+x+9)
67
(2y-5x+9z2)+(5y-2x+8z2)
(k2+k)-(9k2-4k+5)
(4a2+9a+4b)+(2a2-a+6b)
5x2+(2x2+2x+8)+(9x-5)
4y2+(9x2-y)+(7x2-2y2)
1
(2x2+xy-—x)+(3x2-6xy+9x)
3
47
(—xy-4y2-2)-(x2+—xy-4y2+9)
58
94
(xy-—y-—)-(xy+x+3)
85
(8y-3x-3z2)+(6y+7x-3z2)
(4k2+4k)+(4k2-9k-4)
(4a2-3a-8b)-(4a2+6a-b)
9x2+(6x2+8x-5)+(6x-4)
2y2-(6x2-y)+(3x2+9y2)
1
(8x2+8xy-—x)-(3x2+xy+6x)
4
87
(—xy+2y2-9)+(x2-—xy+2y2+2)
78
16
(xy+—y-—)-(xy-x+1)
45
(5y-7x-7z2)-(7y+5x+z2)
(2k2-2k)+(9k2+5k+6)
(4a2-2a+8b)+(5a2+4a+2b)
3x2-(6x2-7x+1)+(2x-8)
2y2-(7x2-y)+(7x2-3y2)
1
(5x2+4xy+—x)+(3x2+7xy-8x)
8
57
(—xy+5y2+3)+(x2-—xy+2y2+6)
48
13
(xy-—y-—)-(xy+x+6)
34
(2y-5x-5z2)+(5y-7x+z2)
(2k2+k)+(3k2-k-7)
(6a2+6a-b)-(8a2-a-b)
8x2+(6x2+5x+4)+(3x+7)
9y2+(4x2-y)-(8x2+2y2)
7
(5x2-3xy+—x)-(4x2-9xy-5x)
8
41
(—xy+2y2+5)+(x2-—xy+6y2+3)
53
18
(xy+—y+—)+(xy+x+3)
37
(7y-7x+5z2)+(y-9x+4z2)
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- 七年 级数 下册 算题 大全