а) 1 действие:
3 5/11 + 1 8/11= 4 13/11= 5 2/11
2:
10- 5 2/11= 9 11/11 - 5 2/11= 4 9/11
3:
4 9/11+ 4 2/11=8 11/11= 9
б) 1:
4 7/8 + 2 5/8= 6 12/8= 7 4/8
5 1/8 - 3 3/8= 2 1-3/8= 1 9-3/8=1 6/8
7 4/8 - 1 6/8= 6 4-6/8 = 5 12-6/8= 5 6/8=5 3/4
а) 1 действие:
3 5/11 + 1 8/11= 4 13/11= 5 2/11
2:
10- 5 2/11= 9 11/11 - 5 2/11= 4 9/11
3:
4 9/11+ 4 2/11=8 11/11= 9
б) 1:
4 7/8 + 2 5/8= 6 12/8= 7 4/8
2:
5 1/8 - 3 3/8= 2 1-3/8= 1 9-3/8=1 6/8
3:
7 4/8 - 1 6/8= 6 4-6/8 = 5 12-6/8= 5 6/8=5 3/4