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2³:2¹+2³×2⁴:2⁶+3³×3²×3⁰:3⁹​

Răspuns :

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[tex] {2}^{3 - 1} + {2}^{3 + 4 - 6} + {3}^{3 + 2 + 0 - 9} = \\ {2}^{2} + {2}^{1} + {3}^{ - 4} = \\ 4 + 2 + \frac{1}{ {3}^{4} } = 6 + \frac{1}{81} = \\ \frac{6 \times 81 + 1}{81} = \frac{486 + 1}{81} = \\ \frac{487}{81} [/tex]