七年级数学下册整式的加减法计算题 600Word下载.docx
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1
(8x2+8xy-—x)+(9x2-6xy-x)
8
43
(—xy-6y2-7)-(x2-—xy+y2-1)
54
11
(xy+—y-—)-(xy-x-8)
77
(5y+3x-2z2)+(6y-7x+5z2)
(5k2+5k)-(9k2+4k+6)
(2a2+9a-5b)+(3a2+6a+b)
5x2+(8x2+x-7)-(9x-6)
4y2+(4x2+y)+(7x2+3y2)
7
(2x2-8xy+—x)-(x2-6xy+x)
6
23
(—xy+9y2+5)+(x2-—xy-4y2-9)
34
21
(xy-—y-—)+(xy-x-2)
35
(7y+3x-5z2)+(8y+5x-3z2)
(7k2-8k)+(2k2+6k-2)
(3a2+4a+5b)+(4a2-3a-9b)
5x2+(7x2-5x+3)+(x+9)
5y2+(4x2+y)+(4x2+3y2)
(6x2-2xy-—x)-(5x2-5xy-4x)
21
(—xy+9y2-6)-(x2+—xy+7y2-6)
35
51
(xy-—y+—)+(xy-x-6)
44
(7y-4x+6z2)-(4y-2x+7z2)
(4k2-7k)+(7k2+9k-3)
(8a2+7a-8b)+(9a2-9a+b)
x2-(6x2+4x-6)-(6x-1)
3y2+(5x2-y)+(8x2-4y2)
5
(5x2-2xy-—x)-(6x2-8xy+2x)
4
16
(—xy+8y2-3)-(x2+—xy+y2-2)
13
(xy+—y-—)-(xy+x-1)
(2y+6x+9z2)+(4y-4x+7z2)
(9k2-5k)+(8k2-4k-3)
(4a2+7a+8b)+(6a2+9a-2b)
4x2+(5x2+9x-2)+(3x+8)
4y2+(4x2-y)-(x2-5y2)
(2x2+4xy-—x)-(8x2+9xy+4x)
(—xy+6y2-1)-(x2+—xy-4y2-2)
45
(xy-—y+—)-(xy+x+1)
73
(9y-8x+7z2)-(3y-x+7z2)
(5k2-k)-(8k2+2k+8)
(2a2-3a-8b)-(8a2-3a-6b)
8x2+(7x2+4x+9)-(5x-3)
9y2+(4x2-y)-(5x2-5y2)
(2x2+6xy+—x)+(x2-4xy+4x)