Предмет: Математика, автор: varya3006

616 срочно!!!!!На завтра!!!!!!!!!

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Автор ответа: Алексейчик228

1) 180 км * 2 = 360 км рельсов потребуется для строительства ж/д длиной 180 км

2) 360 км = 360 000 метров

3) 360 000 * 32 = 11 520 000 кг = 11 520 тонн масса рельсов

4) 11 520 : 60 = 192 вагона

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