√27-√3x√3/2=

问题描述:

√27-√3x√3/2=

√27-√3x√3/2=3√3-3/2(√27-√3)x√3/2= 漏了个括号 还是这个答案吗(√27-√3)x√3/2=(3√3-√3)x√3/2=2√3x√3/2=3