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2014-11-16T20:09:22+02:00
A+R+E=340
A=5·R
E=4·R
5R+R+4R=340
10R=340
R=340/10
R=34 deci Reghina are 34 portocale
A=5·34=170 portacale are Aurelia
E=4·34=136 portocale are Evelina
34+170+136=340