Автобус ехал 2 часа со скоростью 82 км\ч и 4 часа со скоростью 70 км\ч.найдите среднюю скорость движения автобуса
728099
2
19.05.2019 20:50
1
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82 + 82+70+70+70+70=444. 444 : 6= 74 - средняя скорость:D