Предмет: Математика, автор: nurlan7777777

в пещере высотой 7 метров сталактит и сталагмит имеют одинаковую выоту равную 30 см .За год каждый из них вырастаетна 2 см.Через солько лет они соиденятсяя

Ответы

Автор ответа: roman398

7м=700см
30x2=60
700-60=640
2+2=4 см
640:4=180 лет

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