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a fost răspuns

[tex](3 ^{2} *3 ^{-3} ) ^{-1} [/tex] [tex](3 ^{2} *3 ^{-3} ) ^{-1} [/tex] calculati

Răspuns :

(3^2-3)^-1*(3^2*3-3)
(3^-1)^-1*(3^2*3^-3)
3^-1*-1*(3^2*3^-3
3*(3^2*3^-3)
3*3^2-3
3*3^-1
3^-1-1=3^0
=1
^=la puterea

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