13-08-2015
Mathematics

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To find 19+(11+37) Lennie added 19 and 11. Then he added 37 to the sum. Which property did he use

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Аноним Аноним

24-08-2015

[tex]19+(11+37)=(19+11)+37\\\\it's\ a\ associative\ property:a+(b+c)=(a+b)+c[/tex]

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