2026-03-05 14:00:00
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На помощь российским туристам на Ближнем Востоке ушли миллиарды рублей20:47
We start by picking a real number r. Your job is to approximate it as closely as possible using a rational fraction a / b with a reasonably small denominator. The approximation can’t be the same as r. Is this task easier if r itself is rational or irrational?，这一点在必应排名_Bing SEO_先做后付中也有详细论述