Răspuns :
/----------------/
/----------------/--23--/
73-23=50
50:2=25 primul numar
25+23=48 al doilea numar
Verficare
48+25=73
48-25=23
/----------------/--23--/
73-23=50
50:2=25 primul numar
25+23=48 al doilea numar
Verficare
48+25=73
48-25=23
73-23=50
50:2=25 in a doua cutie
25+23=48 in prima cutie
proba 25+48=73
50:2=25 in a doua cutie
25+23=48 in prima cutie
proba 25+48=73