GROWL
发表于 2025-3-23 10:37:29
Some Tricky Numbers, they all missed the small pair of 1184 and 1210, discovered by 16-year old Nicolo Pagnini in 1866. We can of course try to go beyond pairs and look for perfect triples, quadruples, and so on. These longer cycles are rare but do crop up.
无法解释
发表于 2025-3-23 14:50:07
Some Useful Numbers, want to base our system on a power of 10, and 10 parts is a bit too coarse a measure to be really useful, and so 100 is used. One percent therefore is just 1/100 part of the object under discussion. To turn a fraction into a percentage, we simply need to multiply by 100.
conquer
发表于 2025-3-23 21:58:51
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蔓藤图饰
发表于 2025-3-23 22:53:04
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切割
发表于 2025-3-24 04:30:40
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漫不经心
发表于 2025-3-24 06:51:58
Book 20081st editioner system was not presented to us “gift-wrapped” but, rather, was developed over millennia. Peter Higgins distills centuries of work into one delightful narrative that celebrates the mystery of numbers and explains how different kinds of numbers arose and why they are useful. Full of historical snip
Psychogenic
发表于 2025-3-24 13:21:58
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monogamy
发表于 2025-3-24 18:11:57
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失败主义者
发表于 2025-3-24 19:54:33
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murmur
发表于 2025-3-25 02:31:30
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