Question

1.3倍根号40分之根号5等于? 2.根号27乘根号50除以根号6等于?

Answer 1

3倍根号40分之根号5

=3×√5/√40

=3×√(5/40)

=3×√(1/8)

=3√(2/16)

=3×√2/√16

=3×(√2)/4

=(3√2)/4

根号27乘根号50除以根号6

=√27×√50÷√6

=√(27×50÷6)

=√225

=15