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Calculati media aritmetica a numerelor a si b stiind ca; a =15+12^2:2^3-17^0 b =42-18^2:3^4+4^1 varoog ajutor dau coroana

Răspuns :

a=15+144:8-1=15+18-1=32;;b=42-324:81+4=42-4+4=42;ma=32+42):2=37