1)А) 1/3 = 1/6 + 1/6Б) 2/7 = 2/7 + 0
2)А) 1/4 + 4/7 + 9/28 = 7/28 + 16/28 + 9/28 = 32/28 = 8/7Г) 17/20 + 23/30 + 11/60 = 51/60 + 46/60 + 11/60 = 108/60 = 9/5
1)
А) 1/3 = 1/6 + 1/6
Б) 2/7 = 2/7 + 0
2)
А) 1/4 + 4/7 + 9/28 = 7/28 + 16/28 + 9/28 = 32/28 = 8/7
Г) 17/20 + 23/30 + 11/60 = 51/60 + 46/60 + 11/60 = 108/60 = 9/5