单词	approximation
释义	approximation When two quantities X and x are approximately equal, written X ≈ x, one of them may be used in suitable circumstances in place of, or as an approximation for, the other. For example, and .
随便看	Euler's equation Euler's equations Euler's formula Euler's method Euler's phi function Euler's Theorem evaluate even function even integer even permutation event eventually evolute E(X) exact exact differential exact differential equation exact divisor example exa‐ excentre exchange paradox excircle excluded middle exclusive

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