Which of these equations shows this special rule for adding: You can group the numbers differently?
(3 + 4) + 5 = 3 + (4 + 5)
(3 + 4) x 5 = 3 x (4 x 5)
3 x (4 + 5) = (3 x 4) + (3 x 5)
(3 - 4) - 5 = 3 - (4 - 5)

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