2mn/4m^2-9与2m-3/2m+3怎么通分
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2mn/4m^2-9与2m-3/2m+3怎么通分
2mn/4m^2-9与2m-3/2m+3怎么通分
2mn/4m^2-9与2m-3/2m+3怎么通分
2mn/4m^2-9=2mn/[(2m+3)(2m-3)]
2m-3/2m+3=(2m-3)(2m-3)/[(2m+3)(2m-3)]=(2m-3)²/[(2m+3)(2m-3)]
2mn/4m^2-9与2m-3/2m+3怎么通分
2mn/4m的平方-9与2m-3/2m+3
通分2mn/4m²-9与2m-3/2m+3
通分4M²-9分之2MN与2M+3分之2M-3
2mn/4m²-9与2m-3/2m+3通分要过程
通分:2mn/4m²-9与2m-3/2m+3
2mn/4m²-9与 2m-3/2m+3通分
因式分解m^3-2m^2n+mn^2-4m^2+4mn+4m
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
若m-n=4,mn=-1求(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)
(5mn-2m+3n)+(-7m-7mn)
(5mn-2m+3n)+(-7m-7mn)
已知m-n=4,m、n互为倒数求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4m+mn)的值
2mn/4m²-9与2m-3/2m+3 要全过程的,最简公分母是什么?2mn/4m²-9与2m-3/2m+3最简公分母是什么?
m-m^3-mn^2+2m^2n
先化简,再求值(3M-5M+4MN)-(2M-4N+6MN)
2mn/4m²-9与 2m-3/2m+3最简公分母是什么?怎样通分?
通分 2mn除以4m的平方-9与2m-3除以2m+3