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12 la 55 : 6 la 55:2 la 50-7 la 1 •5 la 0 +13 la 2


Ajutor


Răspuns :

12^55/6^55/2^50-7^1•5^0
+13^2= (12/6)^55/2^50-7•1+169=
2^55-50-7+169=2^5-7+169=32-7+169=194.