Срочно
3 7/15 + 4,6 - 1 2/3

3 7/15 + 4,6 - 1 2/3 = 6 2/51) 3 7/15 + 4,6 = 3 7/15 + 4 6/10 = 3 14/30 + 4 18/30 = 7 32/30 = 8 2/30 = 8 1/152) 8 1/15 - 1 2/3 = 8 1/15 - 1 10/15 = 7 16/15 - 1 10/15 = 6 6/15 = 6 2/5