Question

а-(9 3/50 - 5 7/25) при а= 7 1/2​

Answer 1

9 3/50 - 5 7/25 = 8 53/50 - 5 14/50 = 3 39/50

при а = 7 1/2 = 7 25/50

а - 3 39/50 = 7 25/50 - 3 39/50 = 6 75/50 - 3 39/50 = 3 36/50 = 3 18/25.

Ответ: 3 целых 18/25.