七年级数学下册计算题大全206.docx
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七年级数学下册计算题大全206.docx
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七年级数学下册计算题大全206
1
(7x2+8xy+—x)+(2x2-6xy+x)
7
21
(—xy+2y2+6)+(x2+—xy-6y2+2)
38
38
(xy-—y-—)+(xy-x+5)
47
(y+x+z2)+(2y+8x+5z2)
(5k2-2k)-(5k2-3k+8)
(5a2+6a+b)+(a2-2a-9b)
9x2-(9x2-3x-4)+(5x-4)
8y2+(6x2+y)-(8x2-8y2)
1
(x2-8xy-—x)+(3x2+8xy-2x)
4
15
(—xy-5y2+2)-(x2-—xy+6y2+7)
66
17
(xy+—y-—)-(xy-x+1)
48
(4y+4x+4z2)-(2y+7x-3z2)
(3k2+8k)-(9k2-7k+5)
(3a2-4a-4b)+(5a2+5a+9b)
7x2-(8x2+9x+6)+(x-1)
9y2+(5x2+y)-(3x2+8y2)
7
(2x2-7xy-—x)+(7x2+2xy-8x)
8
12
(—xy-9y2-8)-(x2-—xy+6y2+4)
43
74
(xy-—y+—)+(xy+x-6)
83
(7y-2x+5z2)-(8y+8x+4z2)
(5k2+3k)-(7k2-2k-8)
(2a2-4a+3b)+(9a2+3a-6b)
7x2-(7x2-7x+7)-(9x-3)
5y2+(5x2-y)+(3x2-7y2)
4
(x2-7xy-—x)-(8x2+5xy+6x)
5
18
(—xy+6y2-1)+(x2+—xy+7y2+5)
57
66
(xy+—y+—)+(xy-x-5)
75
(3y-5x+z2)+(7y+x+z2)
(5k2+6k)+(9k2+6k-6)
(5a2-6a-8b)+(5a2+5a-5b)
3x2-(9x2+4x+5)+(6x+7)
8y2+(5x2+y)+(8x2-6y2)
2
(4x2-3xy-—x)-(2x2-6xy-3x)
3
11
(—xy-8y2+2)-(x2+—xy+7y2-3)
57
11
(xy-—y-—)-(xy+x+4)
74
(7y-7x-9z2)-(5y+x-z2)
(8k2+k)+(3k2+5k+7)
(9a2-a+2b)-(4a2+a-b)
x2-(5x2+6x+9)-(x+1)
y2-(2x2+y)+(7x2+8y2)
6
(x2-xy+—x)+(x2+7xy+9x)
5
61
(—xy+3y2-9)-(x2+—xy-5y2-4)
58
52
(xy-—y+—)+(xy+x-4)
63
(8y-6x+4z2)-(y+9x-5z2)
(3k2+5k)-(6k2-6k+3)
(7a2-6a+3b)-(7a2+2a+9b)
3x2+(6x2-6x+5)+(2x-4)
y2-(3x2+y)+(3x2+7y2)
8
(2x2+8xy+—x)+(5x2+9xy-7x)
7
11
(—xy+7y2+7)+(x2+—xy+4y2-1)
87
48
(xy-—y-—)-(xy-x-2)
37
(5y+9x+z2)+(2y-7x+9z2)
(9k2-5k)+(7k2-9k+9)
(4a2-2a+4b)-(5a2-7a+2b)
2x2-(7x2-7x+5)-(6x+6)
y2+(5x2+y)+(3x2+8y2)
5
(9x2-2xy+—x)-(4x2-9xy-9x)
6
17
(—xy-3y2-3)-(x2-—xy+y2+9)
86
47
(xy-—y-—)-(xy+x+2)
38
(5y-2x+3z2)-(5y-5x+8z2)
(8k2+2k)+(7k2+9k+5)
(2a2+4a+b)+(6a2-5a-3b)
8x2+(3x2+9x+7)+(7x-4)
2y2-(4x2+y)+(8x2+7y2)
1
(8x2-7xy-—x)+(6x2-xy+6x)
5
63
(—xy-8y2-3)-(x2+—xy-2y2-9)
54
79
(xy-—y+—)+(xy-x-4)
88
(7y-7x+7z2)+(2y-x-2z2)
(8k2+7k)+(3k2+4k-8)
(5a2-8a-3b)+(7a2+9a+7b)
3x2+(5x2-3x+4)-(8x+9)
y2-(4x2+y)-(7x2+3y2)
5
(5x2+2xy-—x)-(3x2+4xy-8x)
6
71
(—xy-8y2-4)-(x2+—xy+3y2+9)
66
14
(xy-—y+—)-(xy+x-7)
73
(6y+5x+2z2)-(9y-5x-9z2)
(6k2+5k)-(9k2-3k+7)
(5a2+9a-5b)-(9a2+a+7b)
x2-(3x2+x+6)+(x+6)
5y2+(5x2+y)+(3x2+2y2)
6
(4x2-3xy-—x)+(4x2+2xy+4x)
5
81
(—xy-5y2+6)+(x2-—xy+4y2+4)
76
74
(xy-—y-—)+(xy-x+5)
65
(5y-7x-9z2)+(7y+9x+8z2)
(7k2+2k)+(k2+3k-5)
(7a2-8a-9b)+(3a2+4a-b)
4x2-(5x2-8x-8)-(3x+6)
9y2+(2x2+y)+(4x2-4y2)
1
(8x2-7xy-—x)-(5x2+2xy+4x)
7
16
(—xy-6y2-8)-(x2+—xy-5y2+5)
67
44
(xy-—y-—)+(xy-x-1)
35
(2y+2x-8z2)+(7y-8x-9z2)
(7k2+3k)+(7k2+8k+3)
(4a2+4a+5b)+(6a2+8a+8b)
4x2+(6x2+8x-2)-(6x-9)
y2-(5x2-y)-(x2+y2)
4
(3x2+5xy+—x)+(7x2+2xy+2x)
3
11
(—xy+8y2+7)+(x2+—xy+8y2-4)
74
19
(xy+—y+—)-(xy-x-8)
68
(7y-9x+8z2)+(9y+7x-7z2)
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- 七年 级数 下册 算题 大全 206