Завдання 301 - 400 » 382
Обчисліть: 1) 19/21 – 2/3 = 19/21 – 14/21 = 5/21; 2) 51/64 – 9/16 = 51/64 – 36/64 = 15/64; 3) 22/39 – 11/26 = 44/78 – 33/78 = 11/78; 4) 17/20 – 13/25 = 85/100 – 52/100 = 33/100.
Обчисліть: 1) 19/21 – 2/3 = 19/21 – 14/21 = 5/21; 2) 51/64 – 9/16 = 51/64 – 36/64 = 15/64; 3) 22/39 – 11/26 = 44/78 – 33/78 = 11/78; 4) 17/20 – 13/25 = 85/100 – 52/100 = 33/100.