代数式的含义：什么是代数式？

代数式：由数和表示数的字母经有限次加、减、乘、除、乘方和开方等代数运算所得的式子，或含有字母的数学表达式也称为代数式。单个数字或数字连接的整式也是代数式。

例如：ax+2b，－2/3，b²/26，√a+√2等。

1、不包括不等号（≠、≤、≥、<、>、≮、≯）、约等号≈。

2、可以有绝对值。例如：|x|，|-2.25| 等。

推荐阅读：
6 Handy Tools That Can Convert Your Website Into An App　 7 Common Email List Building Mistakes　 How to Do Email Marketing in 2020: A Beginner’s Guide　 5 Music Blogs That Are Rocking It And How To Get Your Own Band F　 Depth First Search Algorithm with Hash Set to Find Elements in a　 Algorithms to Count How Many Numbers Are Smaller Than the Curren　 Finding the Closest Divisors　 Greedy Solution to Reconstruct a 2-Row Binary Matrix　 How to Use jOOQ Library to Write SQL in Java using Fluent Style?　 Algorithm to Compute the Number of Days Between Two Dates