やっぱり 1-0.999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999・・(なんじゃこりゃ
)は0ですね
勉強になりました
難波の天狗
1=0.99999…です。
違うというなら違う根拠を挙げてください。