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20+5+{92-[56-(14+18)]}=


Răspuns :

20+5+{92-[56-(14+18)]}=20+5+[92-(56-32)]=20+5+(92-24)=20+5+68=25+68=93
20+5+{92-[56-(14+18)]}=20+5+[92-(56-32)]=20+5+(92-24)=20+5+68=25+68=93 gata