Question

Реши 31,5-(15,6+16,95+29,7)*36/83+(88 1/15-85 19/30):1/3

Answer 1

15,6+16,95+29,7=62,25
62,25*36/83=62 1/4*36/83=249/4*36/83=27
88 1/15-85 19/30=88-85+1/15-19/30=3-17/30=2 13/30
2 13/30:1/3=73/30:1/3=73/10=7,3
31,5-27+7,3=11,8