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12-5(7+1)

 Mar 21, 2016
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12 - 5(7 + 1) = 12 - 5 * 8 = 12 - 40 = - 28

 

12 - 5(7 + 1) = 12 - 35 - 5 = - 28

 

:- ) laugh!

 Mar 21, 2016

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