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Автор - fasfggfy

найдите все дроби со знаменателем 10,которые больше 5/9,но меньше 7/9

Ответ

Автор - ГрозаДворовыхБелок
х/10 > 5,9,отсюда
х > 50/9=5,6

х/10 < 7,9,отсюда
х<70,9=7,8

ответ:6/10 и 7/10


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