Question

выполните действие 12-11,8:(3 7/18-2 8/27)

Answer 1

12 - 11,8 / (3 7/18 - 2 8/27) =12 -11,8/( 61/18 - 62/27) = 12 - 11,8/(183/54 - 124/54) =
12 - 11,8/(59/54) = 12 - 118/10 / 59/54 =12 - 54/5 = 12 - 10,8 =1,2
Ответ :1,2