2 1/7 : 4 1/6 * 2 1/3 = 1 1/5
1) 2 1/7 : 4 1/6 = 15/7 : 25/6 = 15/7 * 6/25 = 18/35
2) 18/35 * 2 1/3 = 18/35 * 7/3 = 6/5 = 1 цел 1/5
2 1/7 : 4 1/6 * 2 1/3 = 1 1/5
1) 2 1/7 : 4 1/6 = 15/7 : 25/6 = 15/7 * 6/25 = 18/35
2) 18/35 * 2 1/3 = 18/35 * 7/3 = 6/5 = 1 цел 1/5