Предмет: Математика, автор: pandy1

гелікоптеп за 2 год пролетів 440 км. швидкіст літака в 3 рази більша, ніж швидкість гелікоптера.На скільки менше кілометрив пролетів гелікоптер за 2години. ніж литак за той самий час?

Ответы

Автор ответа: qwe51977

1) 440:2=220 кмчас (скорость Геликоптера)
2) 220*3=660 кмчас (скорость Самолета)
3) 660*3=1980 км 3 часа
4) 1980-440=1540 (на столько км пролетел самолет за 3 часа больше чем вертолет за 2 часа)

Автор ответа: pandy1

большое спасибі

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