>>508
#include <stdio.h>

void main(void)
{
int j,k,n,d;
printf("入力＝");
scanf("%d" , &n );

for( j=0 ; j< n ; j++ )
{
d = 0;

for( k=j +1 ; 0 < k ; k-- )
{
d += k;
printf( "%d" , k );
if( 1 < k ) printf( "+" );
}
printf( "=%d\n" , d );
}
}