glowing
发表于 2025-3-25 06:58:35
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Emg827
发表于 2025-3-25 09:07:01
Miscellaneous Examples,Historically, the interest of Wallis’s formula, . is that it is one of the early examples of an arithmetical formula for π. In fact, although it looks so unexpected, it is not hard to prove.
DUCE
发表于 2025-3-25 12:56:13
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landmark
发表于 2025-3-25 17:34:11
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分离
发表于 2025-3-26 00:03:02
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使成核
发表于 2025-3-26 03:25:08
Textbook 2001y both history and practicality. Historically, calculus, with its origins in the 17th century, came first, and made rapid progress on the basis of informal intuition. Not until well through the 19th century was it possible to claim that the edifice was constructed on sound logical foundations. As fo
HERTZ
发表于 2025-3-26 04:27:13
Introductory Ideas, integration) in a standard course on calculus. For many purposes there is no harm at all in an informal approach, in which a continuous function is one whose graph has no jumps and a differentiable function is one whose graph has no sharp corners, and in which it is “obvious’ that (say) the sum of
panorama
发表于 2025-3-26 12:12:28
Functions and Continuity,tion . from . into . (usually written .: .→.) is defined as a subset . of the Cartesian product . × . with the property that, for all . in A and all .., .. in ., . To put it anothe way, for every . in ., the domain of the function, there is a . in . such that (.)∈.. In practice we denote this unique
条街道往前推
发表于 2025-3-26 13:42:05
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Rejuvenate
发表于 2025-3-26 17:22:55
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