@echo off&setlocal enabledelayedexpansion
set "var=+ - * /"
for /f "tokens=1-4 delims= " %%a in ("%var%") do call :lp %%a %%b %%c %%d
pause>nul
:lp
for /l %%i in (1,1,9) do (
    for /l %%j in (1,1,%%i) do (
        set /a a=%%i%1%%j
        if !a! lss 10 set a= !a!
        set str=!str! %%i%1%%j=!a!
        if %%i equ %%j echo !str!&set "str="
    )
)
if "%1" equ "/" goto :eof
shift
goto lp
复制代码