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Use addition properties and strategies to find the sum of 13 + 47 + 21 + 79 =
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3 votes
Use addition properties and strategies to find the sum of 13 + 47 + 21 + 79 =

User Franzine
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2 Answers

2 votes
The correct awnser would be 160
User QiGuar
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8.1k points
4 votes
(13 + 47) (21 + 79) =
60 + 100 =
160
User Dean Barnes
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8.7k points
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