a) 1 - 5/9 = 4/9б) 1 + 3 3/7 = 1 + 24/7 = 7/7 + 24/7 = 31/7в) 9 - 5/6 = 54/6 - 5/6 = 49/6г) 5 - 1 4/5 = 5 - 9/5 = 25/5 - 9/5 = 16/5
a) 1 - 5/9 = 4/9
б) 1 + 3 3/7 = 1 + 24/7 = 7/7 + 24/7 = 31/7
в) 9 - 5/6 = 54/6 - 5/6 = 49/6
г) 5 - 1 4/5 = 5 - 9/5 = 25/5 - 9/5 = 16/5