Question

8 клас.
(513) і (515)

Answer 1

√8=√(4*2)=2√2
√45=√(9*5)=3√5
√250=√(25*10)=5√10
√192=√(64*3)=8√3

4√5=√(4² *5)=√16*5=√80
3√7=√(9*7)=√63
0,2√10=√(0,2²*10)=√0,04*10=√0,4
$3 sqrt{ frac{1}{3} } = sqrt{3^{2}*frac{1}{3}} = sqrt{ frac{9}{1} *frac{1}{3}} = sqrt{3}$