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Marianasabiana7
a fost răspuns

-18-2-{15-4-{10-(8-5)+(-3+9)]}
REPEDE DAU COROANA!

Răspuns :

-20-[11-(10-3+6)]=-20-(11-13)=-20-(-2)=-20+2=-18
Scalambaita
-18-2-[15-4-(10-3+6)]=
=-18-2-(15-4-13)
=-18-2-(11-13)
=-18-2+2
=-18