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如何实现sai,log等运算
@一只小笨虎 可以查查表达式里有没有，没有就没什么好办法了，自己写算式吧：https://www.evkworld.cn/wiki/117
运算log 可以通过系统自带的表达式log10(number) log10(number) ：计算以10为底的的值。然后用换底公式解决。至于sai，我学疏才浅，原谅我不知道。
谢谢
@大明白 谢谢
问题已经解决了
