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Mathematics, 03.02.2020 03:54 zozo72

Apply the commutative property to 13 x 7 x 21 to rearrange the terms and still get the same solution.
a. 13 + 7 + 21
b. (13 x 7) x 21
c. 12 x (7 x 21)
d. 21 x 7 x 13

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