Question

вычислите 0,1*√20:√45-2 1730

Answer 1

$=0,1*sqrt{frac{20}{45}}-frac{77}{30}=0,1*sqrt{frac{4}{9}}-frac{77}{30}=frac{1}{10}*frac{2}{3}-frac{77}{30}=\=frac{2}{30}-frac{77}{30}=-frac{75}{30}-2,5$

Answer 2

опечатка