事实上,1/2 即 0.5000....,但0不必寫出來。
實際操則可用尺規作圖三等分綫段。
事实上,1/2 即 0.5000....,但0不必寫出來。
實際操則可用尺規作圖三等分綫段。
•
圓周率則不同,此數本身特殊,確不能以尺規作圖求得,但也可精确表示。
-中间小谢-
♂
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01/13/2023 postreply
10:39:42
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