math is fun的意思

數學很有趣

sth is up───某事發生了

bit of fun───有點好玩

harmless fun───無害的樂趣

Let's count. Math is fun. Math is easy.───讓我們數數。數學很有趣。數學很容易。

My math teacher is fun but very strict.───我的數學老師很風趣，但很嚴厲。

Math is fun and easy.───數學有趣又容易。

My favorite courses in mathematics, I think that math is fun.───我最喜歡的課程是數學，我認為數學很有趣。