Question

упростите выражение 0,2√27 - 1,5√147+0,8√3

Answer 1

$0.2 sqrt{27} - 1.5 sqrt{147} + 0.8 sqrt{3} = \ = 0.2 times 3 sqrt{3 } - 1.5 times 7 sqrt{3} + 0.8 sqrt{3} = \ = 0.6 sqrt{3 } - 10.5 sqrt{3} + 0.8 sqrt{3} = - 9.1 sqrt{3}$

Answer 2

0,2*3√3 - 1,5*7√3+0,8√3 = 0,6√3 - 10,5√3+0,8√3 = -9,1√3