Предмет: Математика, автор: patricijagyulbudaghy

Дорога разделена на три участка. Длина первого участка равна (3а + 2) км, второго - 3а км, а третий участок на 2 км короче второго. Какова общая длина дороги?

Ответы

Автор ответа: vedmedenkonataliya10

0

Відповідь:

(3а+2)+3а+(3а-2)=х

9а=х

х - загальна довжина дороги

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