Предмет: Математика, автор: eg2013or

в международном автопробеге участвовало 350 машин.экипаж каждой машины состоял из трех спортсменов.до финиша не дошли 105 машин. сколько машин и сколько спортсменов прибыли к финишу.

Ответы

Автор ответа: Timon97

1) 350*3 = 1050 (чел.) - Было спроцменов 2 ) 105 * 3 = 315 ( чел.)- спроцменов дошли. 3 ) 350 -105=245(маш.) пришли к финишу. 4 ) 245 * 3 = 735...... вот и всё! потом записать ответ только и дело сделано! Оч легко!

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