Question

2 2/3•2+(4/15+2/5)•(3 1/3*3/5)​

Answer 1

Ответ:           6 2/3.

Пошаговое объяснение:

2 2/3•2+(4/15+2/5)•(3 1/3*3/5)​ = 6 2/3.

По действиям:

1)  4/15+2/5 =>  НОК(15;5) = 15 => 4/15 + 6/15 = 10/15 = 2/3.

2)  3 1/3 * 3/5 =10/3 * 3/5 = 10/5 = 2.

3)  2/3 * 2 = 4/3 = 1 1/3;

4)  2 2/3 * 2 = 8/3 * 2 = 16/3 = 5 1/3;

5)  5 1/3 + 1 1/3 = 6 2/3.

Answer 2

Ответ:

6 2/3

Пошаговое объяснение:

1) 4/15 + 2/5 = 4/15 + 6/15 = 10/15 = 2/3

2) 3 1/3 * 3/5 = 10/3 * 3/5 = 2/1 * 1/1 = 2/1 = 2

3) 2/3 * 2 = 4/3 = 1 1/3

4) 2 2/3 * 2 = 8/3 * 2 = 16/3 = 5 1/3

5) 5 1/3 + 1 1/3 = 6 2/3