Question

Помогите пожалуйста!! Номер 1103(2,4) ПЛИИИЗ

Answer 1

2) 5 - (19/22 -  9/22) = 5 - 10/22 = 4 22/22 - 10/22 = 4 12/22 = 4 6/11
4) 8 - (39/40 - 14/40) = 8 - 25/40 = 7 40/40 - 25/40 = 7 15/40 = 7 3/8