Question

 Вычислите: 518+518, 65-56, 725+45, 1148-1164

Answer 1

1) 5/18 + 5/18 = 10/18 = 5/9 ; 2) 6/5 - 5/6 = 36/30 - 25/30 = 11/30 ; 3) 7/25 + 4/5 = 7/25 + 20/25 = 27/25 = 1 ( 2/25 ) ; 4) 11/48 - 11/64 = 44/192 - 33/192 = 11/192

Answer 2

Уже написали)