Вправи 1051 - 1200 » 1055
Виконай дії. а) 13/27 + 7/27 = 20/27; б) 39/45 – 23/45 = 16/45; в) 17/54 – 9/54 = 8/54 = 4/27; г) 8/49 + 35/49 = 43/49; ґ) 79/40 – 51/40 = 28/40 = 7/10; д) 20/73 + 40/73 = 60/73
Виконай дії. а) 13/27 + 7/27 = 20/27; б) 39/45 – 23/45 = 16/45; в) 17/54 – 9/54 = 8/54 = 4/27; г) 8/49 + 35/49 = 43/49; ґ) 79/40 – 51/40 = 28/40 = 7/10; д) 20/73 + 40/73 = 60/73