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Calculati:
(1,3(23))^-2​


Răspuns :

Răspuns:

[tex] = ( \frac{1310}{900} ){}^{ - 2} [/tex]

[tex] = (\frac{900}{1310} ) {}^{2} [/tex]

[tex] = \frac{810000}{1716100} [/tex]

=0,47