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Time
- 閱讀鐘面及數字鐘（時和分）
- 量度活動所用的時間 (時、分)
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閱讀鐘面及數字鐘（時和分）
（Modified for HTML5 on 19 Nov 2013）
拖拉滑桿及點擊 ＋、－按鈕調校時鐘。正確地讀出時鐘所顯示的時間。
勾選方框顯示時間、鐘面及數字鐘。
閱讀鐘面及數字鐘（時和分）
柯志明
香港 GeoGebra 學院
量度活動所用的時間 (時、分)
(Modified on 11 Feb 2021)
柯志明
香港 GeoGebra 學院
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