指數定律：測驗 Quiz on Laws of Indices

Select your target level of questions. Move the slider(s) to choose the correct answers and then press "Check". 選取題目程度，然後拉動滑桿來選取正確的答案，再按「核對」。

GeoGebra 互動數學教室 http://www.geogebra.hk

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