impk

@echo off & setlocal enabledelayedexpansion
for /l %%i in ( 1,1,100 ) do ( set /a n=%%i && set /a sum=!sum!+%%i )
echo !sum!
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懒虫阿布

@echo off

setlocal enabledelayedexpansion

set /p n=请输入数值：
set ret=0
for /l %%i in (1,1,!n!) do (
	set /a ret=!ret!+%%i
)

echo 计算1+2+3+4+....+n=!ret!
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bbaa

@set /p "Input=请输入数字:"
@set /a "Output=%Input%*(%Input%+1)/2
@echo %Output%&pause>nul&exit/b
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yhcfsr

@echo off
set /p "n=输入数字："
for /l %%i in (0,1,%n%) do set /a "sum+=%%i"
echo %sum%
pause
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yhcfsr

@echo off
set /p "n=输入数字："
for /l %%i in (0,1,%n%) do set /a "sum+=%%i"
echo %sum%
pause
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Alt32

@echo off
for /l %%a in (1,1,100) do set /a nm+=1
echo %nm%
pause>nul
exit
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无忧

回复 20# dishuo


    这个数学题做的可以，编程写的很精巧。

无忧

回复 9# xiaoxx


    没懂啥意思。。。

老刘1号

NEW VERSION

@echo off %老刘制作-数值递增相加%
IF /i "%PROCESSOR_ARCHITECTURE%" EQU "AMD64" (
	echo DEBUG和8086_ASM不支持64位的系统。
	Pause&Exit
)
%在此感谢netbenton斑竹的十进制转十六进制函数% set "d-h=setlocal enabledelayedexpansion&set/a dx=#a#&set xs=0123456789abcdef&(for /l %%z in (1,1,4) do set /a x%%z=dx%%16,dx=dx/16)&(for /f "tokens=1-4" %%1 in ("!x1! !x2! !x3! !x4!") do set hx=!xs:~%%4,1!!xs:~%%3,1!&(if !hx!==00 set hx=)&(for %%z in ("!hx!!xs:~%%2,1!!xs:~%%1,1!") do endlocal&set #a#=%%~z))"
set /p NUM=Please input a Number:
%d-h:#a#=NUM%
For /f "tokens=2,3" %%a in (
	'^(ECHO E20:0 %NUM%^&MORE +13 "%~0"^)^|DEBUG^|FindSTR "0020:0000"'
) do set /a "num=0x%%a+0X%%b*0X100"
Echo.%num%
pause&exit/b
A
	MOV	AX,20
	MOV	DS,AX
	MOV	CL,BYTE PTR [0]
	INC	DX
	ADD	BX,DX
	LOOP	109
	MOV	WORD PTR [0],BX
	INT 21H

G
D20:0 1
Q
Q
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无忧

回复 15# yaohaixu


    这个批处理写的好玩

渣白

@echo off
set n=1
set /p n=input a number!
for /l %%i in (1,1,%n%) do (
    set /a sum+=%%i
)
echo %sum%
pause

渣白

@echo off
set n=1
set /p n=input a number!
for /l %%i in (1,1,%n%) do (
    set /a sum+=%%i
)
echo %sum%
pause

老刘1号

把BX的值用自带的计算器转成10进制即可。
只支持32位系统。
附一贴：http://www.bathome.net/thread-43372-1-1.html

%老刘制作-数值递增相加%
%注：寄存器里的数为2进制，显示出来的为16进制%
%BX的值为递增的值，AX为递增数.%
@echo off
set /p var=Please input a Number:
>%TMP%\DEBUGASM.TMP (
	echo a100
	echo mov ax,0
	for /l %%a in (1 1 %var%) do (
		echo inc ax
		echo add bx,ax
	)
	echo.
	for /l %%a in (-%var% 1 %var%) do echo T
	echo.
	echo q
	echo q
)
<%TMP%\DEBUGASM.TMP DEBUG|Find /v ""|Find "CX"
DEL /F %TMP%\DEBUGASM.TMP
pause&exit/b
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lipiguo

@echo off
setlocal enabledelayedexpansion
set /p n=Input a number:
set i=1
:plus
if %i% leq %n% (
   set /a sum=!sum!+!i!
   set /a i=!i!+1
   goto :plus
)
echo sum:%sum%
pause

taofan712

@echo off
setlocal enabledelayedexpansion
:loop
set var=
set s=
set b=
echo;计算两个自然数之间(包括这两个数)所有连续自然数的和。
set /p var=请输入两个不同的自然数（空格隔开）
for /f "tokens=1,2 delims= " %%a in ("%var%") do (
if "%%a" lss "%%b" ( set /a s=%%a & set /a b=%%b 
) else ( 
set /a s=%%b & set /a b=%%a )
set /a "sum=(!s!+!b!)*(!b!-!s!+1)/2"
echo;!sum! )
pause>nul & cls & goto loop
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