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a-(c+b-d)-b+d
a=2000
b=300
b-c=150
d=50
cine rspunde corect si in intregime primeste coroana


Răspuns :

b-c=150
b=300 deci c=300-150=150
2000-(150+300-50)-300+50=2000-400-300+50=2000-700+50=1300+50=1350