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9 la puterea 2 x 27 la puterea 3 x3 la puterea 7


Răspuns :


[tex] {9}^{2} \times {27}^{3} \times {3}^{7} = \\ \\ { {(3}^{2}) }^{2} \times { {(3}^{3}) }^{3} \times {3}^{7} = \\ \\ {3}^{4} \times {3}^{9} \times {3}^{7} = \\ \\ {3}^{4 + 9 + 7} = \\ \\ {3}^{20} [/tex]