Răspuns :
429 +283
(400 +20 + 9 )+ ( 200 +80 +3 )
( 400 +200 ) + ( 20 + 80 ) + ( 9 + 3 )
600 +100 +12
712
(400 +20 + 9 )+ ( 200 +80 +3 )
( 400 +200 ) + ( 20 + 80 ) + ( 9 + 3 )
600 +100 +12
712