А) 3 2/13 + 4 7/13 = 7 9/13
Б) 6 9/16 + 3 7/16 = 10 4/16 = 10 1/4
В) 3 5/19 + 2 16/19 = 5 21/19 = 6 2/19
Г) 4 - 2 5/9 = 3 4/9
Д) 6 7/14 - 2 11/14 = 4 12/14 = 4 6/7
А) 3 2/13 + 4 7/13 = 7 9/13
Б) 6 9/16 + 3 7/16 = 10 4/16 = 10 1/4
В) 3 5/19 + 2 16/19 = 5 21/19 = 6 2/19
Г) 4 - 2 5/9 = 3 4/9
Д) 6 7/14 - 2 11/14 = 4 12/14 = 4 6/7