Question

а)2 4/7-5/7в)6-2/7с)13 2/11+4 5/22d)3/39+2/13 помогите плзз дам 10 б​

Answer 1

Ответ: A) 1 6/7; B) 5 5/7; C) 17 5/22; D) 9/39.

Пошаговое объяснение: A) 2 4/7=18/7, 18/7-5/7=13/7=1 6/7.

B) 6=42/7, 42/7-2/7=40/7=5 5/7.

C) 4 5/22=93/22, 13 2/11=143/11=286/22, 286/22+93/22=379/22=17 5/22.

D) 2/13=6/39, 3/39+6/39=9/39.