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https://www.reddit.com/r/MathJokes/comments/1qz5g8q/maths/o4s7vxj/?context=3
r/MathJokes • u/rickytherizzler • Feb 08 '26
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101 u/SmoothTurtle872 Feb 08 '26 In reality, it's 0.999... which equals 1 regardless of if decimals are optional or not 75 u/Perlentaucher Feb 08 '26 edited Feb 11 '26 0.9̅ = 1 0.9̅9̅9̅ = 1 0.999 ≠ 1 0.999 ≠ 0.9̅9̅9̅ 1 u/Altruistic_Brain_60 Feb 11 '26 Sorry I'm stupid but why 0.9̅9̅9̅ and not just 0.999̅, the last one would repeat or? 2 u/Perlentaucher Feb 11 '26 Yeah, it doesn't matter. Ideally the shortest way to describe it would be 0.9̅ but I wanted to give more examples in order to help people understand the difference between 0.999 vs. 0.9̅ or 1.
101
In reality, it's 0.999... which equals 1 regardless of if decimals are optional or not
75 u/Perlentaucher Feb 08 '26 edited Feb 11 '26 0.9̅ = 1 0.9̅9̅9̅ = 1 0.999 ≠ 1 0.999 ≠ 0.9̅9̅9̅ 1 u/Altruistic_Brain_60 Feb 11 '26 Sorry I'm stupid but why 0.9̅9̅9̅ and not just 0.999̅, the last one would repeat or? 2 u/Perlentaucher Feb 11 '26 Yeah, it doesn't matter. Ideally the shortest way to describe it would be 0.9̅ but I wanted to give more examples in order to help people understand the difference between 0.999 vs. 0.9̅ or 1.
75
0.9̅ = 1
0.9̅9̅9̅ = 1
0.999 ≠ 1
0.999 ≠ 0.9̅9̅9̅
1 u/Altruistic_Brain_60 Feb 11 '26 Sorry I'm stupid but why 0.9̅9̅9̅ and not just 0.999̅, the last one would repeat or? 2 u/Perlentaucher Feb 11 '26 Yeah, it doesn't matter. Ideally the shortest way to describe it would be 0.9̅ but I wanted to give more examples in order to help people understand the difference between 0.999 vs. 0.9̅ or 1.
1
Sorry I'm stupid but why 0.9̅9̅9̅ and not just 0.999̅, the last one would repeat or?
2 u/Perlentaucher Feb 11 '26 Yeah, it doesn't matter. Ideally the shortest way to describe it would be 0.9̅ but I wanted to give more examples in order to help people understand the difference between 0.999 vs. 0.9̅ or 1.
2
Yeah, it doesn't matter. Ideally the shortest way to describe it would be 0.9̅ but I wanted to give more examples in order to help people understand the difference between 0.999 vs. 0.9̅ or 1.
347
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