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(12-3)² *(6+3)¹⁸-9²⁰

repede va rog!dau coroana​


Răspuns :

[tex] {(12 - 3)}^{2} \times {(6 + 3)}^{18} - {9}^{20} = \\ {9}^{2} \times {9}^{18} - {9}^{20} = \\ {9}^{2 + 18} - {9}^{20} = \\ {9}^{20} - {9}^{20} = \\ = 0[/tex]

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