06/11/04 04:59:15
>>132-135＆>>143
1+(1-0.999)
＝2-0.999…
後は場合分け
0.999…＝1⇔2-0.999…＝1
0.999…≠1⇔2ｰ0.999…≠1
06/11/04 04:59:15
>>132-135＆>>143
1+(1-0.999)
＝2-0.999…
後は場合分け
0.999…＝1⇔2-0.999…＝1
0.999…≠1⇔2ｰ0.999…≠1
06/11/04 04:59:15
>>132-135＆>>143
1+(1-0.999)
＝2-0.999…
後は場合分け
0.999…＝1⇔2-0.999…＝1
0.999…≠1⇔2ｰ0.999…≠1