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Calculati:27²+3*[(3⁷)⁹÷3³⁰+3²⁷-3³³]:9¹³
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Răspuns :

27² + 3 x [ ( 3⁷ )⁹ : 3³⁰ + 3 x 3²⁷ - 3³³ ] : 9¹³ = 756

= 27² + 3 x ( 3 ⁷ˣ⁹ : 3³⁰ + 3⁽ ¹ ⁺ ²⁷ ⁾ - 3³³ ) : ( 3²)¹³ =

= 27² + 3 x ( 3 ⁽ ⁶³ ⁻ ³⁰ ⁾ + 3²⁸ - 3³³ ) : 3 ² ˣ ¹³ =

= 27² + 3 x ( 3³³ + 3²⁸ - 3³³ ) : 3²⁶ =

= 729 + 3 x 3²⁸ x ( 3⁵ + 1 - 3⁵ ) : 3²⁶ =

= 729 + 3 x 3² x 1 =

= 729 + 27 =

= 756

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