(4m^2+9n^2)(3n-2m)(-3n-2m) 请帮我算一下
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(4m^2+9n^2)(3n-2m)(-3n-2m)请帮我算一下(4m^2+9n^2)(3n-2m)(-3n-2m)请帮我算一下(4m^2+9n^2)(3n-2m)(-3n-2m)请帮我算一下(4m^
(4m^2+9n^2)(3n-2m)(-3n-2m) 请帮我算一下
(4m^2+9n^2)(3n-2m)(-3n-2m) 请帮我算一下
(4m^2+9n^2)(3n-2m)(-3n-2m) 请帮我算一下
(4m^2+9n^2)(3n-2m)(-3n-2m)
=-(4m^2+9n^2)(3n-2m)(3n+2m)
=-(4m^2+9n^2)(9n^2-4m^2)
=-(81n^4-16m^4)
=16m^4-81n^4
4m^2(m+n)-9n^2(m+n)
[(m-n)^2*(m-n)^3]^2/(m-n)^4
[(m-n)^2*(m-n)^3]^2/(m-n)^4
4m(m-n)^2+4n(n-m)^3
(m-n)2(n-m)3(n-m)4化简
已知3m=4n,则m/m+n+n/m-n-m^2/m^2-n^2=
(3m-2n)^+(3m+2n) (3m-2n)-9(m+n)^
(m-2n)(2n+m)-(-3m-4n)(4n-3m)=
(3m-4n)(4n+3m)-(2m-n)(2m+n)
[2(m+n)^5-3(m+n)^4+(-m-n)^3]÷[2(m+n)^3]
计算(m+4n)(m-n)-6(m+2n)(m-3n)
(m+4n)(m-n)-6(m+2n)(m-3n)
(m+4n)(m-n)-6(m+2n)(m-3n),
[(m+n)(m-n)-(m-n)²+2n(m-n)]÷4n
若(m-2n)/(2m+n)=3,则[3(m-2n)/(2m+n)-(m-2n)/[2(2m+n)] - {9(m-2n)/[4(2m+n)]}的值是?
2(m+n)2-(m+n)+4(m+n)-(m+n)2+3(m+n)2 化简求值
2(m+n)2²-(m+n)+4(m+n)-(m+n)²+3(m+n)² 计算
(m-n)(m^5+m^4n+m^3n^2+m²n^3+mn^4+n^5)