Завдання 401 - 500 » 412
Обчисліть: 1) 5/24 – 1/60 – 1/40 = 25/120 – 2/120 – 3/120 = 20/120 = 1/6; 2) 2/3 – 5/18 – 49/180 = 120/180 – 50/180 – 49/180 = 21/180 = 7/60; 3) 4/5 – 7/15 – 9/35 = 84/105 – 49/105 – 27/105 = 8/105.
Обчисліть: 1) 5/24 – 1/60 – 1/40 = 25/120 – 2/120 – 3/120 = 20/120 = 1/6; 2) 2/3 – 5/18 – 49/180 = 120/180 – 50/180 – 49/180 = 21/180 = 7/60; 3) 4/5 – 7/15 – 9/35 = 84/105 – 49/105 – 27/105 = 8/105.