Question

помогите! 3 задание !!

Answer 1

2 : 2 2/3 + 1 4/5 * 3 1/3 -2 5/6 = 2*3/8 + 9/5*10/3 - 17/6 = 
= 3/4 + 6/1 - 17/6 = 9/12 + 72/12 - 34/12 = 47/12 = 3  11/12