unknown_world

@echo off & setlocal enabledelayedexpansion

for /l %%i in (1 1 100) do (
    for /l %%j in (%%i 1 100) do (
	for /l %%k in (%%i 1 100) do (
	    set /a l=%%i*%%i+%%j*%%j
	    set /a m=%%k*%%k
	    if !l!==!m! echo %%i*%%i+%%j*%%j=%%k*%%k
	)
    )
)

pause > nul
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