Centrale des maths - centraledesmaths.uregina.ca
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 Sujet: base 2 arithmetic
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 Bags of pennies 2008-10-11 paul pose la question :jenny divided 15 pennies among 4 money bags.she could then pay any amount from 1p to 15p just by giving bags.how many pennies did jenny put in each bag?Penny Nom and Victoria West lui répond. Four weights 2008-08-25 Darla pose la question :A balance had known weights of 1/2 lb, 1/4 lb, 1/8 lb, and 1 oz. Edna's object weighted 2 oz. more than Paul's. Each used 3 known weights to weight his or her object. which know weights did each use?Penny Nom lui répond. Papy's Computer 2002-01-11 Mary-Anne pose la question :My second-grade son brought home a fun math worksheet which involved calculating sums using "Papy's Computer." I had never heard of this before and found it to be quite interesting. Each digit in a decimal number is represented by a 2x2 grid. Each grid square corresponds to one of the numbers 1,2,4, or 8.Harley Weston lui répond.

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