数学化简2次根式√m^2n^2-2mn+1分之3(mn>1)
2次根式化简已知m=1/3,n=1/27,求m-n/√m-√n + m-4n - 4√mn / √m - 2√n题目希望
-2(mn-3m^2)-[m^2-5(mn-m^2)+2mn】,其中m=1,n=﹣2 化简求值
-(mn-3)+3(-mn-1)-5mn,其中m=2,n=23 化简求值
已知M+N分之MN=2,求-m+3mn-n分之3m-5mn+3n
计算(-2mn)^3(mn+1/2)(m^2n^2-1/2mn+1/4)
已知m-n=2,mn=1,求多项式(2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值
已知|m-n-2|与(mn-1)^互为相反数,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值
已知m-n=3,mn=-1,求多项式-2mn+2m+3n-3mn-2n+2m-4n-m-mn的值
若m-n=4,mn=-1求(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)
若m-n=4,mn=-1,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值
若m-n=4,mn=-1,求(-2mn+m+n)-(3mn+5n-5m)-(m+4n-3mn)的值
(m²-2mn+n²分之m-n 减 m²-n²分之mn+n²)n-1分