Задача ** дроби: 3:3/4 + 2 2/5 x 2 1/2 - 3 5/6

Question

Задача на дроби: 3:3/4 + 2 2/5 x 2 1/2 - 3 5/6

Answer 1

3:3/4+2 2/5*2 1/2 - 3 5/6=6 1/6
1) 3:3/4=3*4/3=4
2)2 2/5*2 1/2=2,4*2,5=6
3) 4+6 -3 5/6=10-3 5/6=6 1/6

Answer 2

= 3*4/3 + 12/5*5/2- 3 5/6 = 4+6- 3 5/6= 10- 3 5/6= 6 1/6