(1)(m+n)^-4m(m+n)+4m^(2)a^+2a(b+c)+(b+c)^(3)4+12(x-y)+9(x-y)^(4)(a-b)(x-y)-(b-a)(x+y)
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(1)(m+n)^-4m(m+n)+4m^(2)a^+2a(b+c)+(b+c)^(3)4+12(x-y)+9(x-y)^(4)(a-b)(x-y)-(b-a)(x+y)
(1)(m+n)^-4m(m+n)+4m^
(2)a^+2a(b+c)+(b+c)^
(3)4+12(x-y)+9(x-y)^
(4)(a-b)(x-y)-(b-a)(x+y)
(1)(m+n)^-4m(m+n)+4m^(2)a^+2a(b+c)+(b+c)^(3)4+12(x-y)+9(x-y)^(4)(a-b)(x-y)-(b-a)(x+y)
1.[(m+n)-2m]
2.[a+(b+c)]
3.[2+(x-y)]
4.(a-b)(x-y+x+y)
=2x(a-b)
(4m+n)-[1-(m-4n) ]
证明:4/1(m*m+n*n-m-n)必为整数..m,n都是正整数...
4m(m-m)-2n(n-m)
(1),(-m-n)(-m+n) (2),(-m+n)(m-n)
因式分解4m^2(m-n)+4n(n-m)
4m(m-n)+4n(n-m)
4m(m-n)^2+4n(n-m)^3
[(m-n)^2*(m-n)^3]^2/(m-n)^4
[(m-n)^2*(m-n)^3]^2/(m-n)^4
(m-n)2(n-m)3(n-m)4化简
4m^2(m+n)-9n^2(m+n)
(n/m+n/2m^2)*4m/n^2
m²n(m-n)-4mn(n-m)
[(m+n)(m-n)-(m-n)²+2n(m-n)]÷4n
(m+n)(m-n)+4(n-1)分解因式
(m-n)^6除以(n-m)^4
(m-n)^2*(m-n)^4=?
(m+n)^4+m(m+n)^3+n(n-m)^3 因式分解错了错(m-n)^4+m(m+n)^3+n(n-m)^3 因式分解