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29-03-2018
Mathematics

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use associative property of addition to find the total of 1, 10, and 18 in two different ways

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29-03-2018

1 + 10 + 18 = (1 + 10) + 18

1 + 10 + 18 = 11 + 18

1 + 10 + 18 = 29

OR

1 + 10 + 18 = 1 + (10 + 18)

1 + 10 + 18 = 1 + 28

1 + 10 + 18 = 29

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