七年级数学下册计算题大全63Word文档格式.docx
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七年级数学下册计算题大全63Word文档格式.docx
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33
(7y+6x-9z2)-(6y+3x+4z2)
(6k2+5k)-(6k2-7k-6)
(9a2+6a-b)-(7a2-4a-9b)
8x2-(7x2+7x-7)+(6x+8)
7y2-(x2+y)+(5x2-6y2)
2
(4x2+xy-—x)+(5x2+6xy-4x)
17
(—xy-2y2+7)-(x2+—xy+6y2-4)
32
(xy+—y+—)-(xy-x-5)
43
(y-x+z2)+(3y-8x+5z2)
(7k2-3k)+(6k2+4k-3)
(a2+9a-7b)-(a2-a+b)
8x2-(6x2+2x-9)-(6x+7)
4y2+(2x2-y)+(8x2-2y2)
7
(3x2+5xy-—x)+(3x2-4xy-8x)
6
71
(—xy+6y2+5)+(x2+—xy-8y2+3)
63
11
(xy-—y+—)+(xy-x+9)
54
(8y+2x+8z2)+(7y+4x+7z2)
(5k2-2k)-(k2+3k+4)
(6a2-9a-2b)+(9a2+8a-3b)
8x2-(9x2-2x-3)+(9x+5)
2y2+(x2-y)+(9x2-7y2)
1
(9x2-5xy-—x)+(4x2-3xy-x)
19
(—xy-7y2+3)+(x2-—xy+5y2-8)
88
17
(xy-—y+—)-(xy+x-6)
48
(7y+3x+5z2)-(7y+7x-7z2)
(4k2+8k)-(9k2+4k+1)
(a2+a+2b)+(4a2-7a-5b)
x2+(5x2+9x+5)+(9x-8)
8y2-(x2-y)+(4x2+7y2)
(x2-2xy-—x)+(3x2+xy-3x)
11
(—xy+7y2-7)+(x2-—xy-9y2+1)
58
(xy-—y-—)+(xy-x+7)
67
(6y-5x-z2)+(4y-x+4z2)
(5k2-k)-(5k2+k+1)
(3a2+3a+7b)-(8a2+6a+6b)
8x2+(8x2+4x+9)+(x-3)
2y2+(8x2-y)+(7x2+5y2)
5
(4x2+8xy+—x)-(6x2+8xy+2x)
18
(—xy+y2+1)-(x2-—xy+6y2-9)
91
(xy-—y-—)-(xy+x-1)
87
(9y+3x+z2)-(4y+2x+9z2)
(7k2-5k)+(k2+2k+6)
(3a2-4a+3b)-(7a2-5a-6b)
5x2+(7x2-x+2)+(7x-6)
9y2-(5x2+y)-(8x2-2y2)
(2x2+6xy-—x)-(4x2-5xy+8x)
66
(—xy+y2-3)+(x2-—xy+3y2-4)
77
(xy-—y-—)+(xy+x-3)
(9y+3x-3z2)-(7y+6x+z2)
(3k2+7k)+(9k2+9k+8)
(7a2+4a-3b)+(7a2+9a-5b)
4x2-(2x2-4x-2)-(4x-2)
8y2+(2x2-y)+(7x2-y2)
(7x2+5xy+—x)-(3x2+xy-3x)
15
(—xy+y2-1)-(x2+—xy-2y2+1)
36
18
(xy-—y+—)+(xy+x+9)
57
(2y+5x+7z2)-(5y-3x+8z2)
(4k2+5k)+(5k2-4k-4)
(a2+3a+b)+(6a2+7a+8b)
3x2+(6x2+8x-9)-(6x+4)
7y2-(7x2-y)+(9x2+4y2)
(8x2+9xy+—x)-(6x2-xy+7x)
(—xy+7y2+5)-(x2+—xy-y2-6)
83
(xy+—y+—)+(xy-x-7)
74
(y+9x-8z2)+(6y-9x-4z2)
(4k2-7k)-(3k2+9k+7)
(4a2+8a+6b)+(8a2+a+8b)
2x2+(6x2-9x-4)+(9x+3)
y2-(9x2+y)-(3x2-4y2)
(6x2-6xy-—x)+(7x2-8xy+5x)
8
96
(—xy+9y2+8)+(x2+—xy-9y2-6)
87
(xy-—y+—)-(xy-x-1)
53
(8y+6x+6z2)+(3y+4x-9z2)
(6k2+6k)-(3k2-9k+8)
(7a2+3a+9b)-(5a2+8a+9b)
6x2+(4x2-5x-8)+(8x+8)
y2+(5x2+y)-(5x2-2y2)
(4x2-3xy-—x)-(3x2-3xy+2x)
41
(—xy-9y2-2)+(x2-—xy+2y2-2)
58
14
(xy+—y-—)-(xy-x-5)
(3y+x-8z2)+(7y+8x+6z2)
(2k2-6k)+(7k2-5k+7)
(7a2+6a-6b)+(9a2+8a-b)
7x2-(9x2+9x+3)-(6x+3)
6y2+(2x2-y)+(5x2+5y2)
(9x2+5xy+—x)-(3x2-xy-7x)
74
(—xy-3y2-1)-(x2-—xy+9y2-9)
65
61
(xy+—y-—)+(xy-x+6)
(y-7x+z2)-(5y+9x+3z2)
(2k2-4k)+(9k2-7k-6)
(a2+3a+7b)-(9a2+2a-4b)
9x2-(x2+7x+7)-(4x+2)
2y2+(4x2+y)-(5x2+5y2)
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