✨ Best Answer ✨
(1/3){1-(1/3n+1)}
=(1/3){(3n+1-1)/(3n+1)}
=(1/3){(3n)/(3n+1)}
=n/(3n+1)
通分しただけです。
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✨ Best Answer ✨
(1/3){1-(1/3n+1)}
=(1/3){(3n+1-1)/(3n+1)}
=(1/3){(3n)/(3n+1)}
=n/(3n+1)
通分しただけです。
Users viewing this question
are also looking at these questions 😉
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