X减(tan30)X=4根号3
问题描述:
X减(tan30)X=4根号3
答
X-(tan30度)X=4√3
X-√3/3X=4√3 ,X=4√3/(1-√3/3)
=12√3/(3-√3)=12√3(3+√3)/6
=6(√3+1)