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[(2/3)la puterea 100 + (2/3) la puterea 101 + (2/3) la puterea 102] : (2/3) la puterea 99


Daca se poate sa imi si explicati , Multumesc Anticipat


Răspuns :

2/3 la 100(1+2/3+2/3la a 2):2/3 la 99= 2/3(1+2/3+4/9)=2/3+19/9=38/27