根号3乘以根号6再减去根号2等于2倍根号2因为根号3乘以根号6等于根号18 也即是3倍根号2 再减去根号2等于2倍根号2
解:根号3乘以根号6再减去根号2 =根号18减去根号2 =3根号2减去根号2 =2根号2.
根号3乘以根号6再减去根号2=3倍根号2减去根号2=2倍根号2
二倍根号二
√3*√6-√2=3√2-√2=2√2