а) 11/25 + 2/5 + 8/50 = 44/100 + 40/100 + 8/100 = (44 + 40 + 8) / 100 = 92 / 100 = 23 / 25
б) 1/6 + 13/36 + 3/72 = 12/72 + 13/36 + 3/72 = (12 + 26 + 3) / 72 = 41 / 72
в) 1/8 + 1/6 + 1/4 = 9/72 + 12/72 + 18/72 = (9 + 12 + 18) / 72 = 39 / 72 = 13 / 24
г) 11/24 + 1/8 + 1/6 = 33/72 + 9/72 + 12/72 = (33 + 9 + 12) / 72 = 54 / 72 = 3 / 4
а) 11/25 + 2/5 + 8/50 = 44/100 + 40/100 + 8/100 = (44 + 40 + 8) / 100 = 92 / 100 = 23 / 25
б) 1/6 + 13/36 + 3/72 = 12/72 + 13/36 + 3/72 = (12 + 26 + 3) / 72 = 41 / 72
в) 1/8 + 1/6 + 1/4 = 9/72 + 12/72 + 18/72 = (9 + 12 + 18) / 72 = 39 / 72 = 13 / 24
г) 11/24 + 1/8 + 1/6 = 33/72 + 9/72 + 12/72 = (33 + 9 + 12) / 72 = 54 / 72 = 3 / 4