a) 1/3 + 1/3 + 1/3 = 3/3 = 1
б) 1 / 5 + 2 / 5 + 3 / 5 = 6 / 5 = 1 1/5
в) 3/7 + 2/7 + 1/7 = 6/7 = 6/7
г) 7/30 + 7/30 + 1/30 = 15/30 = 1/2
д) 3/10 + 2/10 + 1/10 = 6/10 = 3/5
е) 7/26 + 5/26 + 1/26 = 13/26 = 1/2
a) 1/3 + 1/3 + 1/3 = 3/3 = 1
б) 1 / 5 + 2 / 5 + 3 / 5 = 6 / 5 = 1 1/5
в) 3/7 + 2/7 + 1/7 = 6/7 = 6/7
г) 7/30 + 7/30 + 1/30 = 15/30 = 1/2
д) 3/10 + 2/10 + 1/10 = 6/10 = 3/5
е) 7/26 + 5/26 + 1/26 = 13/26 = 1/2