Definition 25.10 High School Mathematics · 第 25 章 — Integration The mean value of a continuous function fff on [a, b]\intcc{a}{b}[a,b] (a<ba<ba<b) is μ=1b−a∫abf(t) dt.\mu = \frac{1}{b-a}\int_a^b f(t)\,\dd t .μ=b−a1∫abf(t)dt. 在原文中阅读 →