m等于他它的倒數(shù)--------->m=1
m^2+6m+9/m-2÷m+3/m^2-2m
=(m+3)^2/(m-2)*m(m-2)/(m+3)
=(m+3)m
=(1+3)*1
=4
若m等于他它的倒數(shù),則分式m^2+6m+9/m-2÷m+3/m^2-2m的值為?
若m等于他它的倒數(shù),則分式m^2+6m+9/m-2÷m+3/m^2-2m的值為?
數(shù)學人氣:207 ℃時間:2019-12-18 02:11:49
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