容器里装着红,黄,绿,蓝色珠子,分别对应7,5,3,2分.从容器中移除珠子得到的分数是147000,求移走的红色珠子的次数.做法： 147000=7^a×5^b×3^c×2^d.求a. 其实就是把147000分解成很多因子,看看跟7的关系,用147000除7看能除多少次,很显然是2次.product 只是乘积 查看原帖>>
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In a certain game,a large container is filled with red ,yell
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