√7500=√2500×3=50√3 √1.5x³=√3x³/2=(x/2)√6x√(1/2+1/3)=√5/6 =√30/6√5又1/3=√16/3=(4/3)√3 √(16b^2/3a) =4b√(1/3a) =(4b/3a)√3a
