A)5 5/8 : 2 13/16=? в)7/8 : 8/3=? г)6 5/8 : 2 3/4=?
5 5/8 : 2 13/16 = 45/8 : 45/16 = 45/8 * 16/45 = 16/8 = 2 7/8 : 8/3 = 7/8 * 3/8 = 21/64 6 5/8 : 2 3/4 = 53/8 : 11/4 = 53/8 * 4/11 = 53/2 * 2/11 = 106/22 = 4 18/22 = = 4 9/11