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Samuel Moran
Mathematics
10 August, 18:51
Write two ways to group and add 4+7+2
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Lucian Frey
10 August, 19:09
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Two ways you can group them is:
(4+7) + 2
4 + (7+2)
They will both give you the same answer of 13.
(4+7) + 2 4 + (7+2)
11+2 = 13 4+9 = 13
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