计算:(-3a^n+1b^n)*(1/3ab)*(-a^2c)
计算:(-3a^n+1b^n)*(1/3ab)*(-a^2c)
分式计算:(b^3n-1 )*c/(a^2n+1)除以 (b^3n-2)/(a^2n)
计算:b^(3n-1)/a^(2n-1)×c÷b^(3n-2)/a^2n
计算 :(-0.5a^3b^2)(-4a^n+1 b^n c) 急
计算[(a^m+1)(b^n)(c^2)]^3
a^(n+1)b^n-4a^(n+2)+3ab^n-12a^2
已知n为大于1的自然数,计算b^3n-1c^3/a^2n+1 *a^2n/b^3n-2
(a-b)(a^(n-1)-b^(n-1))=(a-b)^2(a^(n-2)+a^(n-3)b+……+ab^(n-3)+
已知1/n^2+3n=A/n+B/n+3,求ab?
b^3n-1 c^2/a^2n+1×a^2n-1/b^3n-2=
b^3n-1/a^2n-1×c÷b^3n-2/a^2n
计算:(2a-3b)^(4n+1)*(3b-2a)^(6n-1)