а) 18\20 = 9\10, 5\10 = 1\2, 16\12 = 4\3, 30\20 = 3\2, 9\12 = 3\4, 2\6 = 1\3.б) 55\22 = 5\2, 17\51 = 1\3, 12\8 = 3\2, 24\40 = 3\5, 15\6 = 5\2, 10\100 = 1\10.
а) 18\20 = 9\10, 5\10 = 1\2, 16\12 = 4\3, 30\20 = 3\2, 9\12 = 3\4, 2\6 = 1\3.
б) 55\22 = 5\2, 17\51 = 1\3, 12\8 = 3\2, 24\40 = 3\5, 15\6 = 5\2, 10\100 = 1\10.