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@echo off setlocal enabledelayedexpansion for /l %%a in (12 -1 1) do set "str= %%a !str!" for /l %%a in (29 -1 13) do set "str= %%a !str!" :main set "ie=0" for %%a in (%str%) do set /a ie+=1 if %ie% neq 1 ( for %%a in (%str%) do ( set /a num+=1 if !num! equ 3 ( set "num=0" set "str=!str: %%a =! ) ) goto main ) echo %str% pause复制代码
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