4. Сложите дроби: a) 7/10 + 1/10 = б) 7/12 + 1/4 = в) 1/5 + 2/15 = г) 5/6 + 1/9 =

Question

Вопрос:

Ответ:

Accepted Answer

a) 7/10 + 1/10 = 8/10 = 4/5

б) 7/12 + 1/4 = 7/12 + 3/12 = 10/12 = 5/6

в) 1/5 + 2/15 = 3/15 + 2/15 = 5/15 = 1/3

г) 5/6 + 1/9 = 15/18 + 2/18 = 17/18