Question

Помогите срочно,ОЧЕНЬ НАДО

Answer 1

3 1/2 • 1/3 + 4 1/2 • 1/3 = 7/2 • 1/3 + 9/2 • 1/3 = 7/6 + 3/2 = 8/3

1 1/3 • 3 - 1/6 • 2 = 4/3 • 3 - 1/3 = 4 - 1/3 = 11/3