CrLf

vbs压力会小一点，但其实也有上限...

' 2>nul 3>nul&cls&@echo off
'&set /p sum=请输入算式
'&cscript //nologo //e:vbscript %0 "%sum%"
'&pause&%0
wscript.echo (Eval(WScript.Arguments(0)))
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