Question

Найдите значение выражения: 1 8/9 :(3 1/6-1 3/4)=

Answer 1

1) 3 1/6- 1 3/4= 19/6- 7/4=76-42 /24= 34/24= 17/12=1 5/12
2) 1 8/9: 1 5/12= 17/9:17/12= 17/9*12/17=1/3*1/4=1/12