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Third Grade Challenging Math

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3-15)  Answer

A. 21, 17, 13, 9, 5, 1            (subtract 4)

B. 1, 2, 4, 8, 16, 32, 64        (double of the previous number)

C. 160, 80, 40, 20, 10, 5

 

 

 

 
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