Question

решите от а до г.....

Answer 1

а) 1/2 + 1/3 = 3/6 + 2/6 = 5/6
б) 1/4 + 2/5 = 5/20 + 8/20 = 13/20
в) 2/3 + 1/4 = 8/12 + 3/12 = 11/12
г) 3/4 + 2/5 = 15/20 + 8/20 = 23/20