Question

( 4 17/30+ 52 29/30)- 50 9/30=???

Answer 1

1) 4 целых 17/30 + 52 целых 29/30 = 56 целых 46/30 = 57 целых 16/30
2) 57 целых 16/30 - 50 целых 9/30 = 7 целых 7/30

Answer 2

(4 17/30+52 29/30)-50 9/30=57 16/30-50 9/30=7 7/30
Ответ:7 7/30