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某上班族心血來潮開的新坑,想跳就跳吧。這不是數學,只是單純的速算,本人會盡量用最簡單易懂的方式讓你了解。
有時也會補充些小知識或有趣的題目。有沒有發現封面的那隻吉祥物是由math組成的!
Total Reading Time: 13 minutes
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數學
速算
mr.writer
心算
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我在阿摩也提供不少數理題目的解答~
https://www.penana.com/article/1155467