unl7911 wrote:請問 尺規作圖108...(恕刪)
哪有姑娘不戴花 wrote:圓規拿出來...36...(恕刪)
jk300 wrote:尺規長什麼樣子!?...(恕刪)
CogChern wrote:108 = 180 - 72108 - 72 = 36結案