(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](/uploads/image/z/1248617-65-7.jpg?t=%281%2910%5E7%E9%99%A4%E4%BB%A5%2810%5E3%E9%99%A4%E4%BB%A510%5E2%29%282%29%28x-y%29%5E3%2A%28x-y%29%5E2%2A%28y-x%29%283%294%2A2%5En%2A2%5En-1%284%29%28-x%29%5E3%2Ax%5E2n-1-x%5E2n%2A%28-x%29%5E2%285%29%28y%5E2y%5E3%29%E9%99%A4%E4%BB%A5%28yy%29%5E4%286%29x%5E2%2Ax%5E3%2Bx%5E7%2Bx%5E2%287%29m%5E5%2Bm%5E2%2Am%288%29a%5E4%2B%28a%5E2%29%5E4-%28a%5E2%29%5E2%289%29%282x%5E2%29%5E3-6x%5E3%2B2x%5E2%2Bx%29%2810%29%28x%2By%2B2%29%28x%2By-2%29%2811%29%28%28x%2By%29%5E2-%28xy%29%5E2%29%E9%99%A4%E4%BB%A5%282xy%29%2812%29a%5E2)
(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