谢谢了,第一次遇到这样的题,学习了- @echo off
- setlocal enableDelayedExpansion
- set /a A=%random%%%5*9
- set /a B=(%random%%%3+1)*3
- set fuhao="-+*/"
- :calc
- set /a n+=1
- set /a RS=A!fuhao:~%n%,1!B
- echo %A% !fuhao:~%n%,1! %B% = %RS%
- if not "%n%"=="4" goto :calc
- pause>nul
- goto :eof
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