4)-15 4/5 -(-20 3/5) = -79/5 + 20 3/5 = - 79/5 + 103/5 = 24/5
6)16/21-5 1/3 = 16/24-16/3 = 14/3
ответ:4)-15 4/5 -(-20 3/5) = -79/5 + 20 3/5 = - 79/5 + 103/5 = 24/5
Пошаговое объяснение:
4)-15 4/5 -(-20 3/5) = -79/5 + 20 3/5 = - 79/5 + 103/5 = 24/5
6)16/21-5 1/3 = 16/24-16/3 = 14/3
ответ:4)-15 4/5 -(-20 3/5) = -79/5 + 20 3/5 = - 79/5 + 103/5 = 24/5
6)16/21-5 1/3 = 16/24-16/3 = 14/3
Пошаговое объяснение: