Răspuns :
Rasturnatul numerelor:
193⇒391;
271⇒172;
482⇒284;
384⇒483;
262⇒262;
193+391=584;
271+172=443;
482+284=766;
384+483=867;
262+262=524;
193⇒391;
271⇒172;
482⇒284;
384⇒483;
262⇒262;
193+391=584;
271+172=443;
482+284=766;
384+483=867;
262+262=524;