七年级数学整式的加减法计算题大全 359Word下载.docx
《七年级数学整式的加减法计算题大全 359Word下载.docx》由会员分享,可在线阅读,更多相关《七年级数学整式的加减法计算题大全 359Word下载.docx(7页珍藏版)》请在冰豆网上搜索。
(4a2-8a-6b)+(7a2+8a-5b)
x2+(8x2+6x+5)-(8x+1)
6y2-(3x2-y)+(7x2-2y2)
8
(4x2-8xy+—x)+(9x2-8xy+4x)
7
(—xy-y2-1)-(x2-—xy-5y2+6)
36
17
(xy+—y-—)-(xy-x+7)
78
(y+4x-z2)+(3y+9x-z2)
(8m2+6m-5)-(5m+5n+7)
(8x2-7x-9)-5(3x2-6x)
-9(x2-4)+3(x2+6)
-(x2y-8xy-2)-2(x2y-5xy-4)
(—x2+18x+16y)+(—x2+11x+27y)
77
-—(8k3-7k2-5)+—(k3-4k2+3k)
64
(3k2+k)+(8k2-7k-1)
(8a2-3a-6b)-(8a2-4a+5b)
7x2+(x2+6x-7)+(7x+8)
5y2-(4x2+y)+(6x2-6y2)
4
(5x2-5xy+—x)-(5x2-6xy-x)
5
76
(—xy+6y2+7)-(x2-—xy+6y2-7)
85
41
(xy-—y-—)-(xy+x-3)
38
(4y-6x+4z2)+(4y-4x+3z2)
(m2+m-6)+(4m+6n-9)
(6x2+9x-6)+7(2x2-6x)
-6(x2+1)+6(x2-9)
-(x2y-6xy+7)+4(x2y-3xy-4)
79
(—x2+15x-16y)+(—x2+15x-15y)
88
-—(3k3-2k2-3)-—(6k3-2k2+9k)
22
(5k2+4k)-(5k2+2k+9)
(4a2+6a+6b)+(5a2+2a+3b)
6x2-(5x2-3x+1)+(8x+5)
2y2+(4x2+y)-(2x2+9y2)
(8x2-xy-—x)+(2x2+8xy+8x)
41
(—xy+3y2+9)+(x2-—xy+7y2+6)
71
(xy+—y-—)+(xy+x-8)
86
(y+x-4z2)-(2y+7x-4z2)
(4m2+8m-1)+(9m+2n-8)
(9x2+5x-1)+8(5x2+7x)
-7(x2+8)+3(x2+8)
-(x2y-5xy+2)+6(x2y+7xy+4)
71
(—x2-16x+13y)-(—x2-12x-22y)
-—(k3+6k2+5)-—(9k3+2k2-8k)
43
(3k2-4k)-(2k2-8k-2)
(3a2-8a-2b)+(5a2+7a+b)