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8*(12-5*(a+3*(5*6-17)))=96

Răspuns :

Mihaela1308
8*(12-5*(a+3*(5*6-17)))=96
8*(12-5*(a+90-51))=96
8*(12-5a+450-225)=96
96-40a+3600-1800=96
96-96+3600-1800=-40a
a=45 
asta e sau poate am gresit eu undeva
Geanivintila
8*(12-5*(a+3*13)=96
8*(12-5*(a+39)=96
8*(12-5*a-195)=96
5*a-195=12-96:8
5*a=195
a=195:5
a=39


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