Réponses

2013-10-14T21:07:52+02:00
(5+5)-(5+5)=10-10=0
(5+5+5)-5=15-5=10
(5x5)-(5+5)=25-10=15
(5x5x5):5=125:5=25
2013-10-14T21:10:32+02:00