вычеслите(2*2/3-1*1/5):2,2

1) 2 • 2/3 = 4/3 = 1 1/3 2) 1 • 1/5 = 1/5 3) 1 1/3 - 1/5 = 1 5/15 - 3/15 = 1 2/15 4) 1 2/15 : 2,2 = 17/15 : 11/5 = 17/33Ответ 17/33