(m-n)*根号下(8mn/m^3-2m^2n+mn^2) (0
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(m-n)*根号下(8mn/m^3-2m^2n+mn^2) (0
![(m-n)*根号下(8mn/m^3-2m^2n+mn^2) (0](/uploads/image/z/16436680-16-0.jpg?t=%28m-n%29%2A%E6%A0%B9%E5%8F%B7%E4%B8%8B%288mn%2Fm%5E3-2m%5E2n%2Bmn%5E2%29+%280)
(m-n)*根号下(8mn/m^3-2m^2n+mn^2)
=(m-n)*根号下[8n/(n-m)^2]
= -2根号下(2n)
=(m-n)*根号下[8n/(n-m)^2]
= -2根号下(2n)
已知m>0,n>0,且m≠n.化简:3m/(2m+根号mn)×[(根号m^3-根号n^3)/(m-根号mn)-(m-n)
化简:m/(m-n)根号(m^3-2m^2n+mn^2)(m
化简:1/(m-n)根号(m^3-2m^2n+mn^2)(m
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若m+3根号2mn是2mn的立方根,求m、n的值
已知M=1/3,N=1/27,求(M-N/根号M-根号N)+(M+4N-4根号MN/根号M-2N)的值.
急2[mn+(-3m)]-3(2n-mn),m+n=2 mn=-3
3(m^2n+mn)-4(mn-2m^2n)+mn.
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