Вычислите (33:30-5\4)*2 2\9 +2\5

Question

Вычислите (33:30-5\4)*2 2\9 +2\5

Answer 1

(1,1-5/4)*20/9+2/5=(2/20-5/20)*20/9+2/5=-3/20*20/9+2/5=-1/3+2/5=-5/15+6/15=1/15.