Question

математика пжж помогитее​

Answer 1

Ответ:

а) 1/2 + 4/7 - 3/14 = 7/14 + 8/14 - 3/14 = 15/14 - 3/14 = 12/14 = 6/7

ə) 10 5/18 - 5 8/27 = 10 15/54 - 5 16/54 = 9 69/54 - 5 16/54 = 4 53/54

б) 5 2/18 + 18 1/27 = 5 6/54 + 18 2/54 = 23 8/54 = 23 4/27

в) 5 3/5 - 2 6/11 + 3 3/5 = 5 33/55 - 2 30/55 + 3 33/55 = 3 3/55 + 3 33/55 = 6 36/55