Numere naturale – ex. 3 – reguli de calcul cu puteri

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Published on Nov 11, 2014 by autor

Clasa a V-a – Cap. Numere naturale – ex. 3 – reguli de calcul cu puteri

Calculați:

b) (5 ^{2}\cdot7 ^{4}) ^{3};   (2 ^{7}\cdot3 ^{4}) \div (2 ^{3}\cdot3 ^{2});   (2 ^{6}\cdot5 ^{7})  ^{3}\div(2 ^{3}\cdot5 ^{4})  ^{2};

c)  (11\div5) ^{2};   3 ^{27}\div3 ^{15}\cdot 3^{2};   (2 ^{3}) ^{9}\div2 ^{20}\cdot4 ^{2}.

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