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Автор - Лизаветалойс

Один трактор может вспахать поле за 14 часов а другой за 8 какой трактор больше вспашет первый за 7 часов или второй за 5 часов

Ответ

Автор - ShadowFight
сравним
14/7 и 8/5
1/2 8/5
5/10 16/10
Ответ: 2 трактор.

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