台灣海運運費網站相關資料
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台灣海運運費網站相關資料
Nine Touch
This game is a game which touches quickly the number displayed in order.It competes for the time which 30 touches took. Numbers are those with 9 numbe …
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DiffIt Free
DiffIt! Free calculates and explains derivatives of mathematical functions.Type in a mathematical function and DiffIt! Free will differentiate it. Wha …
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