Question

(1/6+1/10+1/15):(3/5-1/3-1/4)

Answer 1

$(frac{1}6} + frac{1}{10} + frac{1}{15} ):(frac{3}{5} - frac{1}{3} - frac{1}{4})$ =

= $(frac{5}{30} + frac{3}{30} + frac{2}{30}) : (frac{36}{60} - frac{20}{60} - frac{15}{60})$ =

= $frac{10}{30} : frac{1}{60}$ = 2

Ответ: 2

Answer 2

20*

Answer 3

(1/6+1/10+1/15):(3/5-1/3-1/4)=20/60 : 1/60= 20/60 : 60/1=20