Решить ! 7-5ц1/4, 6-5ц2/3, 12-9ц3/8, 11-6ц2/3, 8-3ц2/7, 5ц6/13-2, 9ц3/10-4, 2ц3/14-1

7-5ц1/4=1ц3/4,
6-5ц2/3=1/3,
12-9ц3/8=2ц5/8,
11-6ц2/3=4ц1/3,
8-3ц2/7=4ц5/7,
5ц6/13-2=3ц6/13,
9ц3/10-4=5ц3/10,
2ц3/14-1=1ц3/14