一到三十一的英语为什么是二十一个

yun521ying2022-10-04 11:39:541条回答

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Sue2 共回答了18个问题 | 采纳率72.2%
因为21—29.31这十个数都是在twenty后加上1—9的数 所以就21个不重复的数
1年前

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