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26 January, 17:12

Explain how (13 + 10) + 5 is solved differently from 13 + (10 + 5).

A) For (13 + 10) + 5, you add 13 + 5 first, then add 10.

For 13 + (10 + 5), you add the 10 + 13 first, then add 5.

B) For (13 + 10) + 5, you add 13 + 10 first, then add 5.

For 13 + (10 + 5), you add the 10 + 5 first, then add 13.

C) For (13 + 10) + 5, you add 13 - 10 first, then add 5.

For 13 + (10 + 5), you add the 10 - 5 first, then add 13.

D) For (13 + 10) + 5, you add 13 + 10 first, then subtract 5.

For 13 + (10 + 5), you add the 10 + 5 first, then subtract 13.

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Answers (1)
  1. 26 January, 20:10
    0
    The correct answer should be B.

    However, since these only involve addition, the parentheses do not actually make a difference in the answer.
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