S/(S/T1+S/T2)=S/(S(T1+t2)/T1T2)怎么转化说下.
问题描述:
S/(S/T1+S/T2)=S/(S(T1+t2)/T1T2)怎么转化
说下.
答
左边通分就行了.追问:写下步骤.
S/(S/T1+S/T2)=S/(S(T1+t2)/T1T2)怎么转化
说下.
左边通分就行了.追问:写下步骤.