Предмет: Математика, автор: bekarystanovaalfia30

Все на фотоо!!!!!!!!!

Приложения:

Ответы

Автор ответа: anahitas2009

Ответ:

D)110

Пошаговое объяснение:

Приложения:

Автор ответа: avolosina438

Ответ:D)110

Пошаговое объяснение:

2-ое=х 1-ое =х+12 3-ое =х+15

х+х+12+х+15=321

3х=294

х=98 это 2-ое

х+12=110 это 1-ое

х+15=113 это 3-ое

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