A jar contains(装有)only red,green,and blue marbles(玻璃球).If it is three times
as likely(可能) that you randomly pick(随意选择) a red marble as a green marble,and
five times as likely that you pick a green one as a blue one.Which of the
following could be the number of marbles in the jar?(翻译并解答)
人气:283 ℃ 时间:2020-05-14 02:15:34
解答
一个罐子里面只装着红,绿,蓝三种颜色的玻璃球.你随机取一个红色玻璃球的机会是取出一个绿色玻璃球的三倍,你选随机取出一个绿色玻璃球的机会是取出一个蓝色的玻璃球的五倍.下列哪项可能是罐子玻璃球的总数?答:由题意...
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