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Use addition properties and strategies to find the sum of 13 + 47 + 21 + 79 =
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Use addition properties and strategies to find the sum of 13 + 47 + 21 + 79 =
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Nov 23, 2017
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Use addition properties and strategies to find the sum of 13 + 47 + 21 + 79 =
Mathematics
middle-school
Franzine
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The correct awnser would be 160
QiGuar
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Nov 23, 2017
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4
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(13 + 47) (21 + 79) =
60 + 100 =
160
Dean Barnes
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Nov 29, 2017
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Dean Barnes
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