Найдите произведение 1 1/2 * 1 1/3=...
1 1/2 * 1 1/3 = 3/2 * 4/3 = 4/2 = 2
1 1/2 * 1 1/3 = 2 1 1/2 = 3/2 1 1/3 = 4/3 3/2 * 4/3 = 12/6 = 2