有向數及數線 | Directed Number and Number Line
INTRO
負數簡史 | A Brief History of Negative Numbers
LESSON 1
有向數及數線 | Directed Numbers and Number Line
LESSON 2
有向數加減運算 | Addition and Subtraction of Directed Numbers
LESSON 3
有向數乘除運算 | Multiplication and Division of Directed Numbers
ADD-ON
零 | The Number Zero
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負數簡史 | A Brief History of Negative Numbers
有向數及數線 | Directed Number and Number Line
負數簡史 | A Brief History of Negative Numbers
影片內容:
01:06 – 負數簡史 | a brief history of negative numbers
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