Решите, пожалуйста:
4 1/4 - 2/3 =
3 2/15 - 1 3/10 =
2/5 : 1/3 =
1: 5/8 =
3/7 * 1 1/2 =
1 1/3 * 1 1/3 =
7 1/2 * 3 1/3
3/7 * 1 1/2 =
1 1/3 * 1 1/3 =
7 1/7 * 3 1/3 =
3:(1/3 - 1/6) =
3/8 : 3/8 : 6 =