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Showing posts with label
this week's work 4
.
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Showing posts with label
this week's work 4
.
Show all posts
Tuesday, April 16, 2013
This Week's Work : Week 4 -- for Inquisitive Young Mathleges
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First of all, problem of the week from Evan, a 5th grader: A man notices a sign in Shop-a-Lot that says: "All prices are marked 25% of...
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