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甜甜的今天
你用四易算分器，最准确的软件了！！！地址我不复制了，你百度上搜，非常好用
羋修羋修
i just roughly think about the prizes and other stuff related to it,finally got some back-up solutions. what's your opinion,sir?
缘分百合
The teacher asked us to work out a maths problem. / The teacher had us work on a maths problem.
nanahara0125
1.three十ten=thirteen
馋嘴鱼了乐
Let us look at this calculus math problem。网上有在线英文翻译吧？
贪吃的双鱼宝宝
Let's solve the maths problem together,guys.
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