Question

14 целых 79-(у+8 целых 89)=4 целых 29

Answer 1

14 7/9-(у+8 8/9)=4 2/9
У+8 8/9= 14 7/9-4 2/9
У+ 8 8/9= 10 5/9
У= 10 5/9-8 8/9
У= 9 15/9-8 8/9
У=1 7/9