(1)10^7除以(10^3除以10^2)(2)(x-y)^3*(x-y)^2*(y-x)(3)4*2^n*2^n-1(4)(-x)^3*x^2n-1-x^2n*(-x)^2(5)(y^2y^3)除以(yy)^4(6)x^2*x^3+x^7+x^2(7)m^5+m^2*m(8)a^4+(a^2)^4-(a^2)^2(9)(2x^2)^3-6x^3+2x^2+x)(10)(x+y+2)(x+y-2)(11)((x+y)^2-(xy)^2)除以(2xy)(12)a^2
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(1)10^7除以(10^3除以10^2)(2)(x-y)^3*(x-y)^2*(y-x)(3)4*2^n*2^n-1(4)(-x)^3*x^2n-1-x^2n*(-x)^2(5)(y^2y^3)除以(yy)^4(6)x^2*x^3+x^7+x^2(7)m^5+m^2*m(8)a^4+(a^2)^4-(a^2)^2(9)(2x^2)^3-6x^3+2x^2+x)(10)(x+y+2)(x+y-2)(11)((x+y)^2-(xy)^2)除以(2xy)(12)a^2
(1)10^7除以(10^3除以10^2)
(2)(x-y)^3*(x-y)^2*(y-x)
(3)4*2^n*2^n-1
(4)(-x)^3*x^2n-1-x^2n*(-x)^2
(5)(y^2y^3)除以(yy)^4
(6)x^2*x^3+x^7+x^2
(7)m^5+m^2*m
(8)a^4+(a^2)^4-(a^2)^2
(9)(2x^2)^3-6x^3+2x^2+x)
(10)(x+y+2)(x+y-2)
(11)((x+y)^2-(xy)^2)除以(2xy)
(12)a^2(a+1)^2-2(a^2-2a+4)
(1)10^7除以(10^3除以10^2)(2)(x-y)^3*(x-y)^2*(y-x)(3)4*2^n*2^n-1(4)(-x)^3*x^2n-1-x^2n*(-x)^2(5)(y^2y^3)除以(yy)^4(6)x^2*x^3+x^7+x^2(7)m^5+m^2*m(8)a^4+(a^2)^4-(a^2)^2(9)(2x^2)^3-6x^3+2x^2+x)(10)(x+y+2)(x+y-2)(11)((x+y)^2-(xy)^2)除以(2xy)(12)a^2
1 10^6
2 -(x-y)^6
3 4*2^(2n-1)
4 0
5 y^-3
6 x^2+x^5+x^7
7 m^3+m^5
8 a^8
9 貌似少括号了...
10 (x+y)^2-4
11 x/2y+y/2x-xy/2+1
12 a^4+2a^3-a^2+4a-8
10^6
(y-x)^6
2^(2n+1)
-2x^(2n+2)
yy什么意思 没看懂。。。
x^5+x^7+x^2
m^5+m^3
a^8
少半边括号
(x+y)^2-4
这化简不了啥。。。
a^4+2a^3-a^2+4a-8
(1)10^6
(2)-(x-y)^6
(3)2^2n+1 后边的n-1都是次数吧
(4)0
(5)0
(6)x^5+x^9
(7)m^5+m^3
(8)a^8
(9)8x^8-6x^3+2x^2+x
(10)x^2+y^2+2xy-4
(11)x/2y+y/2x-xy/2+1
(12)a^4+2a^3-a^2+4a-8