Предмет: Математика, автор: naitlinn

На ри­сун­ке изоб­ражён ко­ло­дец с «жу­равлём». Ко­рот­кое плечо имеет длину 2 м, а длин­ное плечо — 12 м. На сколь­ко мет­ров опу­стит­ся конец короткого плеча, когда конец длинного под­ни­мет­ся на 7,2 м?

помогите) 40 БАЛЛОВ

Ответы

Автор ответа: Balabol20000
2

Ответ:

Пошаговое объяснение:

1) 12-7,2=4,8 (м.)

2)4,8-2=2,8 (м.)-опуститься

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