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x x 3 25 . 5 = 5 x x 3 (5²) . 5 = 5 2x x 3 5 . 5 = 5 3x 3 5 = 5 simplifique as bases 3x = 3 x = 3/3 x = 1
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x x 3 25 . 5 = 5 x x 3 (5²) . 5 = 5 2x x 3 5 . 5 = 5 3x 3 5 = 5 simplifique as bases 3x = 3 x = 3/3 x = 1