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calculati 3 la puterea 20 + 3 la puterea 22

Răspuns :

3^20+3^22=3^20(1+3^2)=3^20*10

[tex]3^{20} +3 ^{22} =3 ^{20}(1+3^{2} )=3 ^{20}(10 )[/tex]