What matters is that only 20 of the total are facing silver side up.
最重要的是全部钱币中有20枚是银面向上的。
单词 | silver side |
释义 |
silver side
原声例句
双语版 TED-Ed 演讲精选 What matters is that only 20 of the total are facing silver side up. 最重要的是全部钱币中有20枚是银面向上的。 双语版 TED-Ed 演讲精选 And all you have to do is separate them into two piles so that each has the same number of coins facing silver side up. 你只需要把它们分为两堆以让每一堆中银面向上的都有相同的数目。 双语版 TED-Ed 演讲精选 If it's not facing silver side up, it must be gold side up, and vice versa, and in any combination of 20 coins, the number of gold-facing and silver-facing coins must add up to 20. 如果不是银面向上,那肯定就是金面向上,反过来也一样,任何20枚钱币的组合,金面向上和银面向上的总和一定要等于20. |
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