Решение:
17/7 * 1/n = 31/14
17/7n = 31/14
217n = 238
n = 34/31 = 1 3/31.
Ответ: 1 3/31.
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Решение:
17/7 * 1/n = 31/14
17/7n = 31/14
217n = 238
n = 34/31 = 1 3/31.
Ответ: 1 3/31.