Question

(3 целых 9/16 -у)+4 целых 9/16=5 целых 7/16 . 1 и 2

Answer 1

3 9/16-у=5 7/16 - 4 9/16
3 9/16-у=7/8
у=
2 11/16

14 6/25-4 7/25=9 24/25
у=12 3/25