七年级数学整式的加减法计算题大全 336.docx
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七年级数学整式的加减法计算题大全336
(8k2-6k)+(6k2-k-3)
(7a2+2a-5b)-(7a2+a+9b)
7x2+(8x2-2x+6)+(2x+7)
4y2-(4x2-y)-(9x2+8y2)
4
(x2+4xy+—x)+(7x2-6xy+8x)
3
34
(—xy-2y2+6)+(x2-—xy-2y2+8)
43
11
(xy+—y-—)+(xy-x+3)
76
(y-x-4z2)+(3y-8x+8z2)
(9m2-5m-4)-(5m-3n+8)
(3x2+3x-4)-8(9x2-x)
-8(x2+2)-2(x2+2)
-(x2y-9xy-5)-2(x2y-9xy+7)
17
(—x2+15x+17y)-(—x2+17x+25y)
66
11
-—(9k3-2k2-3)-—(5k3+8k2+9k)
44
(8k2-9k)+(2k2+9k-1)
(2a2-3a+8b)-(3a2-8a+9b)
3x2+(3x2-7x+5)+(x+3)
9y2+(8x2-y)+(9x2+3y2)
1
(2x2-2xy-—x)-(6x2-9xy+3x)
3
11
(—xy+5y2-8)-(x2+—xy-2y2-2)
47
11
(xy-—y+—)+(xy-x+5)
45
(4y-4x-2z2)-(5y-7x+6z2)
(6m2+8m+7)+(6m+n-7)
(4x2+5x+6)+2(3x2+3x)
-2(x2+8)-8(x2+5)
-(x2y+6xy+2)+7(x2y+5xy+2)
15
(—x2-27x-12y)-(—x2-17x+10y)
66
11
-—(8k3+3k2-7)+—(6k3-3k2+2k)
64
(2k2-7k)+(8k2-8k-1)
(3a2+9a+b)+(8a2-7a-8b)
8x2-(8x2+5x+8)-(7x+7)
7y2-(3x2-y)+(6x2+6y2)
1
(3x2+6xy+—x)+(5x2-2xy-x)
3
14
(—xy+2y2+5)-(x2-—xy-7y2+2)
45
41
(xy-—y+—)+(xy-x+3)
38
(9y+5x-9z2)-(8y+4x+8z2)
(8m2-3m-3)-(4m+n+9)
(5x2+5x+2)-3(4x2+4x)
-5(x2+3)+6(x2+9)
-(x2y+6xy+7)-7(x2y-5xy+3)
61
(—x2-24x+18y)+(—x2+11x+18y)
55
11
-—(3k3-k2-1)-—(4k3-4k2+1k)
45
(3k2+7k)-(k2+7k+1)
(3a2-a-6b)-(5a2+4a+3b)
6x2-(5x2-8x-1)-(4x-2)