2 1/7:x = 2 19/28: 3 3/4 Можете помочь?
х=3
Плииз
15/7 : x = 75/28 : 15/4 15/7 : x = 75/28 * 4/15 15/7 : x = 5/7 x = 15/7 : 5/7 x = 15/7 * 7/5 x = 3