恒等式是什么意思-恒等式的词语解释-相关组词-词语-近音词-同音词 - 掌上跨屏通词语词典

题目

更新时间：2025-02-08 11:50:00

求解答，词语恒等式是什么意思？再说说恒等式有什么含义？

答案

恒等式的词语解释

恒等式[ héng děng shì ]

所含的未知量用任意数代替，等号两边的数值永远相等的式子。如cos2x+sin2x=1，（a+b）2=a2+2ab+b2。

恒等式的详细含义

亦作“恒等式”。数学方程中等号两边所含的未知量，无论用任何数代替，两边数值永远相等，这样的方程叫恒等式。

恒等式的词语组词

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恒等式的相关词语

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