3n/2m•(p/3n)²÷p²/mn
3n/2m•(p/3n)²÷p²/mn
(-2m/3n)的3次方×(-3n/p)2÷mn/p2
计算:(2m+3n-p)²-(2m-3n+p)²
(m-2n+3p)(m+3n+3p)
化简,1.[(m+n-p)(m+p+n)-(m+n)²]/(-p),2.[(m+n)(m-n)-(m-n)
(3m-2n)²+24mn
计算:(1)2m²n/3pq²乘5p²q/4mn²÷5mnp/3q,(2)16-
规定新运算:m#n=m+n,m﹡n=m-n,试化简[(mn²﹚#(2mn)]+[(4mn²)﹡(3m
已知四边形的四条边的长分别是m,n,p,q.且满足m²+n²+p²+q²=2mn
2m²n/3pq²×5p²q/4mn²÷5mnp/3q
已知m+n+=3,mn=三分之二,求m²+(n-m)²+2m(n-mn)的值
已知m,n.p都是整数,且|m-n|^3+|p-m|^5=1,求|p-m|+|m-n|+2|n-p|的值