Question

根号12-根号0.5-根号3分之1+根号18=?

Answer 1

√12- √0.5-√1/3+√18

=√4*3 -√1/2 -√(1/9)*3 + √9*2

=2√3 - √(1/4)*2 - 1/3√3 + 3√2

=2√3 - 1/2√2 - 1/3√3 + 3√2

=(2√3 - 1/3√3)+(- 1/2√2 + 3√2)

=5/3√3+5/2√2