Series Content INTRO 無理數的發現 | Discovery of Irrational Numbers LESSON 1 平方根及根式 | Square Root and Surd LESSON 2 有理數及無理數 | Rational and Irrational Numbers LESSON 3 根式的特性及化簡 | Properties & Simplification of Surds LESSON 4 分母有理化 | Rationalization of Denominators LESSON 5 根式加減運算 | Addition and Subtraction of Surds ADD-ON 實數 | Real Number