Предмет: Алгебра, автор: Аноним

У Пети были конфеты 7 различных видов. Он раздал их восьми девочкам. Оказалось, что конфеты одного вида он дал ровно двум девочкам. Докажите, что какой-то из девочек Петя дал конфеты только одного вида.

Ответы

Автор ответа: москаа
0
у Пети было 7 видов конфет. А девочек было 8.
Получается что 7 девочкам он дал конфеты всех 7 видов ,а одной девочке достался вид который был у одной из девочек
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