在scss中使用“/”报这个错误：

DEPRECATION WARNING: Using / for division is deprecated and will be removed in Dart Sass 2.0.0.

解决方法：查看官方文档

@use "sass:math";

// WRONG, will not work in future Sass versions.
@debug (12px/4px); // 3

// RIGHT, will work in future Sass versions.
@debug math.div(12px, 4px); // 3