2 2/3 / (2+(4/15 + 2/5)) / (3 1/3 * 3/5) =
1) 4/15 + 2/5 = 4/15 + 6/15 = 10/15 = 2/3
2) 2 + 2/3 = 2 2/3
3) 3 1/3 * 3/5 = 4/3 * 3/5 = 4/5
4) 2 2/3 / (2/3) = 8/3 / 2/3 = 4
5) 4 / 4/5 = 4* 5/4 = 5
ответ: 5
2 2/3 / (2+(4/15 + 2/5)) / (3 1/3 * 3/5) =
1) 4/15 + 2/5 = 4/15 + 6/15 = 10/15 = 2/3
2) 2 + 2/3 = 2 2/3
3) 3 1/3 * 3/5 = 4/3 * 3/5 = 4/5
4) 2 2/3 / (2/3) = 8/3 / 2/3 = 4
5) 4 / 4/5 = 4* 5/4 = 5
ответ: 5