maria are 54 de timbre .cat reprezinta 2/9,4/9,5/9,7/9,9/9 din timbrele mariei?

Răspuns :

2/9=54 impartit la 9*4=6*2=12
4/9=6*4=24
5/9=6*5=30
7/9=6*7=42
9/9=54