Собственная скорость матроной лодки 16км/ч. скорость тиснения реки 2км/ч. найдите расстояние , которое пройдёт лодка за 2 я по течениюти за 3 ч против течения
Posrednikova04
3
05.08.2019 23:40
2
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(16-2)*3=42 путь против течения
итого он пройдет 36+42=78