4除以3倍的根号6=4÷3√6=4[1/(3√6)]=4/(3√6)=4√6/(3*6)=2√6/(3*3)=2√6/9
4除以3倍的根号6 =4÷3√6 =4[1/(3√6)] =4/(3√6) =4√6/(3*6) =2√6/(3*3) =2√6/9