Question

1 целая 7 23 •(1 56 + 7 15

Answer 1

1 7/23×(1 5/6+7/15)=1 7/23×(1 25/30+14/30)=1 7/23×1 39/30=1 7/23×2 9/30=1 7/23×2 3/10=30/23×23/10=3.