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question 5
Author:
Arthur Lee
可隨意移改變a和b的數值。留意星形圖案的變化及線段的總數。例如，以下圖案由10條線段組成。 根據相同規律，
如果a＝29，b＝13，該圖案應該有多少條線段？
如果a＝24，b＝10，該圖案應該有多少條線段？
GeoGebra
答案: 1. 29 2. 12
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