Ж)15*5/6 з)1: 3/7 и)2/3*12 к)2/3: 18 л)8/27*36 м)10: 4/15

1. 12.5
2. 7/3
3.8
4. 1/27
5. 2/243
6. 75/2

Ж) 1:3/7 =1/1 * 7/3 = 7/3 = 2 1/3
з)  2/3*12 = 2/3 * 12/1 = 24/3 = 8
к)  2/3:18 = 2/3 * 1/18 = 2/54 = 1/27
л)  8/27*36 = 8/27 * 36/1 = 288/27= 34/3
м) 10:4/15 = 10/1 * 15/4 = 150/4 = 75/2