Ответ:
1) 4 11/14 + 1 10/21 = 5 + (33/42 + 20/42) = 5 53/42 = 6 11/422) 5 7/12+4 9/16 = 9 +(28/48 + 27/48) = 9 55/48 = 10 7/483) 13 2/9-4 3/5 = 9 + (10/45 - 27/45) = 8 + (55/45 - 27/45) = 8 28/454) 10 5/16-9 19/24 = 1 + (15/48 - 38/48) = 63/48 - 38/48 = 25/48
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Ответ:
1) 4 11/14 + 1 10/21 = 5 + (33/42 + 20/42) = 5 53/42 = 6 11/42
2) 5 7/12+4 9/16 = 9 +(28/48 + 27/48) = 9 55/48 = 10 7/48
3) 13 2/9-4 3/5 = 9 + (10/45 - 27/45) = 8 + (55/45 - 27/45) = 8 28/45
4) 10 5/16-9 19/24 = 1 + (15/48 - 38/48) = 63/48 - 38/48 = 25/48