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  • Thirty-seven soldiers had to cross a river.they found an empty boat by the bank.It could hold no

    Thirty-seven soldiers had to cross a river.they found an empty boat by the bank.It could hold no
    more than five people each time .how many times did it take the boat to get all the soldiers to the other bank
    怎么做
    英語人氣:136 ℃時間:2019-10-23 11:20:57
    優(yōu)質(zhì)解答
    有37個士兵需要過河.他們在河邊發(fā)現(xiàn)了一艘空船.每次能載僅僅5人.多少次才能把全部士兵運載過河?
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