batman

凑个热闹吧：

@echo off&setlocal enableDelayedExpansion
set /a A=%random%%%5*9,B=(%random%%%3+1)*3
set "fuhao= +-*/"
:calc
set/a n+=1
if "!fuhao:~%n%,1!" equ "" pause>nul&goto :eof
set/a RS=A!fuhao:~%n%,1!B
echo %A% !fuhao:~%n%,1! %B% = %RS%
goto calcCOPY

[ 本帖最后由 batman 于 2008-11-22 23:13 编辑 ]