七年级数学下册计算题大全214.docx
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七年级数学下册计算题大全214.docx
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七年级数学下册计算题大全214
1
(x2+5xy-—x)+(7x2+2xy+4x)
7
16
(—xy+3y2-3)-(x2+—xy+y2-9)
85
71
(xy-—y+—)-(xy+x+8)
63
(y-3x+6z2)-(5y+7x+7z2)
(9k2+2k)+(5k2+8k-5)
(7a2-2a+3b)-(3a2+a+3b)
2x2+(6x2-7x+3)+(3x+6)
2y2-(2x2-y)-(5x2+5y2)
8
(2x2+7xy+—x)+(5x2+3xy+7x)
7
91
(—xy+9y2-7)-(x2+—xy-y2+9)
86
11
(xy-—y-—)+(xy+x-8)
35
(5y+9x+5z2)-(9y+x+3z2)
(7k2-2k)+(4k2-5k-5)
(8a2-8a-9b)+(7a2-7a+8b)
4x2+(3x2+6x-1)-(4x-5)
5y2-(6x2+y)+(2x2+3y2)
1
(4x2+7xy+—x)+(7x2-7xy-7x)
4
18
(—xy-y2-7)+(x2+—xy+5y2+8)
87
14
(xy+—y+—)-(xy-x-8)
55
(5y+3x-9z2)-(9y+7x+8z2)
(5k2-4k)-(k2+9k-8)
(2a2-6a+7b)-(6a2+9a+2b)
6x2+(9x2-6x-4)-(2x+9)
2y2-(x2-y)-(x2-y2)
8
(2x2-7xy+—x)-(7x2-8xy+5x)
7
11
(—xy+y2+5)+(x2+—xy-6y2-2)
68
11
(xy+—y+—)-(xy-x+8)
33
(9y+8x-2z2)-(y+2x-7z2)
(4k2+5k)-(5k2-9k-4)
(4a2-5a+2b)-(2a2+a+2b)
x2-(x2-8x+2)-(2x-2)
7y2-(8x2+y)-(3x2-7y2)
3
(5x2-xy-—x)-(2x2+5xy+x)
4
31
(—xy-4y2+2)+(x2+—xy+2y2-4)
45
61
(xy-—y-—)-(xy+x-8)
73
(y-9x-z2)-(5y+7x-4z2)
(4k2-6k)+(7k2-5k+7)
(6a2-4a-7b)-(3a2-4a+4b)
8x2+(6x2-4x-9)-(2x-8)
3y2-(9x2+y)+(9x2+3y2)
1
(7x2+6xy+—x)-(6x2-9xy-5x)
7
31
(—xy+8y2+1)-(x2+—xy-8y2+8)
46
74
(xy+—y-—)+(xy+x-1)
63
(5y-7x-6z2)+(4y+7x+z2)
(6k2-7k)+(6k2+k-8)
(2a2+9a+2b)-(6a2-4a+8b)
2x2+(9x2-2x+5)+(8x+9)
5y2-(9x2+y)+(5x2-9y2)
9
(2x2+5xy+—x)+(3x2+8xy-6x)
8
15
(—xy+6y2+8)+(x2+—xy+y2+3)
54
19
(xy+—y+—)-(xy-x-5)
68
(7y-7x+5z2)+(y+2x-5z2)
(k2+5k)-(8k2-2k+9)
(9a2+2a+6b)+(4a2+a+9b)
3x2+(9x2-5x+2)-(6x+2)
2y2-(5x2+y)-(4x2+4y2)
7
(4x2+6xy-—x)-(2x2+4xy+8x)
6
16
(—xy+3y2+5)+(x2-—xy-4y2-2)
55
12
(xy-—y+—)+(xy+x-4)
53
(5y+5x-z2)-(5y+2x-8z2)
(8k2+k)+(7k2+3k+9)
(2a2-a+b)-(9a2+3a-3b)
3x2+(4x2+6x+2)+(6x-7)
4y2+(7x2-y)+(8x2-3y2)
1
(3x2-7xy-—x)+(5x2-3xy+x)
4
65
(—xy-8y2+6)+(x2+—xy+8y2-4)
54
17
(xy+—y+—)+(xy+x+7)
38
(6y-6x+8z2)-(4y-2x-3z2)
(5k2-5k)-(7k2+5k-9)
(6a2+2a-9b)-(5a2+8a-7b)
9x2-(5x2-7x-6)+(6x-3)
4y2+(8x2+y)+(6x2-2y2)
6
(7x2+9xy-—x)+(2x2-2xy+6x)
7
12
(—xy-y2-7)+(x2-—xy-2y2+4)
43
14
(xy-—y+—)+(xy+x+1)
65
(3y+6x+5z2)-(8y+5x-2z2)
(7k2+5k)-(7k2-7k-5)
(6a2+3a-6b)-(2a2+3a+2b)
7x2-(8x2+x-1)+(3x-7)
6y2-(7x2+y)+(3x2+8y2)
1
(5x2+8xy-—x)-(6x2+xy+2x)
5
31
(—xy-8y2-8)+(x2+—xy-9y2+2)
48
58
(xy-—y-—)-(xy+x+9)
67
(9y+7x+5z2)-(3y+6x+6z2)
(8k2-4k)+(4k2+8k+9)
(9a2-3a-4b)-(9a2-7a+7b)
2x2-(4x2-7x+7)-(7x+8)
2y2+(9x2-y)-(9x2-7y2)
7
(7x2-5xy-—x)-(8x2-xy+5x)
6
11
(—xy+8y2-1)+(x2-—xy-5y2+4)
58
61
(xy+—y-—)-(xy+x-7)
73
(7y+x-5z2)+(9y-9x-8z2)
(5k2+2k)-(9k2+5k-9)
(2a2-3a+5b)+(6a2+4a+5b)
8x2+(7x2-7x-6)-(8x+8)
3y2+(3x2+y)+(8x2-y2)
9
(6x2+xy+—x)+(5x2-6xy-9x)
8
45
(—xy+y2-3)+(x2-—xy+6y2+6)
56
65
(xy+—y-—)-(xy+x-3)
74
(4y+8x+7z2)+(7y-7x+z2)
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- 七年 级数 下册 算题 大全 214
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