1 |
a-b |
1 |
a+b |
2a |
a2+b2 |
4a3 |
a4+b4 |
x2+yz |
x2+(y-z)x-yz |
y2-zx |
y2+(z+x)y+zx |
z2+xy |
z2-(x-y)z-xy |
x3-1 |
x3+2x2+2x+1 |
x3+1 |
x3-2x2+2x-1 |
2(x2+1) |
x2-1 |
(y-x)(z-x) |
(x-2y+z)(x+y-2z) |
(z-y)(x-y) |
(x+y-2z)(y+z-2x) |
(x-z)(y-z) |
(y+z-2x)(x-2y+z) |
1 |
a-b |
1 |
a+b |
2a |
a2+b2 |
4a3 |
a4+b4 |
2a |
a2-b2 |
2a |
a2+b2 |
4a3 |
a4+b4 |
4a3 |
a4-b4 |
4a3 |
a4+b4 |
8a7 |
a8-b8 |
x2+yz |
x2+(y-z)x-yz |
y2-zx |
y2+(z+x)y+zx |
z2+xy |
z2-(x-y)z-xy |
x(x-z)+z(x+y) |
(x+y)(x-z) |
y(x+y)-x(y+z) |
(x+y)(y+z) |
z(y+z)-y(z-x) |
(z-x)(y+z) |
x |
x+y |
z |
x-z |
y |
y+z |
x |
x+y |
z |
x-z |
y |
y+z |
x3-1 |
x3+2x2+2x+1 |
x3+1 |
x3-2x2+2x-1 |
2(x2+1) |
x2-1 |
(x-1)(x2+x+1) |
(x+1)(x2+x+1) |
(x+1)(x2-x+1) |
(x-1)(x2-x+1) |
2(x2+1) |
(x+1)(x-1) |
x-1 |
x+1 |
x+1 |
x-1 |
2(x2+1) |
(x+1)(x-1) |
(y-x)(z-x) |
(x-2y+z)(x+y-2z) |
(z-y)(x-y) |
(x+y-2z)(y+z-2x) |
(x-z)(y-z) |
(y+z-2x)(x-2y+z) |
ac |
(a-b)(b-c) |
ab |
(b-c)(c-a) |
cb |
(c-a)(a-b) |
ac(c-a)+ab(a-b)+bc(b-c) |
(a-b)(b-c)(c-a) |
(a-b)(b-c)(c-a) |
(a-b)(b-c)(c-a) |
科目:初中数学 来源: 题型:
查看答案和解析>>
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com