Ответы на вопрос:
Пусть a,b,c -- искомые числа. тогда: (a + b + c)/3 = 2 3/5 a = b : 1 1/2 b = c - 1 2/5 (a + b + c)/3 = 13/5 a = b : 3/2 b = c - 7/5 a + b + c = 39/5 a = b * 2/3 b = c - 7/5 с = b + 7/5 a = 2b/3 2b/3 + b + b + 7/5 = 39/5 c = b + 7/5 c = 2b/3 10b/15 + 30b/15 + 21/15 = 117/15 40b/15 = 96/15 a = 2b/3 c = b + 7/5 b = 96/40 = 12/5 c = 12/5 + 7/5 = 19/5 a = 12/5 *2/3 = 8/5 ответ: 8/5; 12/5; 19/5.
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