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Два кита услышали друг друга и одновременно поплыли навстречу друг другу. Они встретились через 3 ч. Скорость одного кита 12 км/ч, а другого — на 4 км/ч больше.

vvbedash vvbedash    2   17.04.2019 03:30    1

Ответы
liz041 liz041  17.04.2019 03:30
решение
1)12+4=16 км/час скорость второго кита
2)12+16=28 км/час скорость сближения
3)28*3=84 км было расстояние между китами
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