The question marks are suppose to be one of the orders of operation to get 90
asked Feb 4, 2015 in Other Math Topics by anonymous

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2 Answers

(3+15)(11-2*3)=90
answered Feb 4, 2015 by Rod Top Rated User (425,260 points)

Given (3?15)(11?2?3)
(3+15)(11-2*3)
(3+15)(11-6)
(18)(5)
90

answered Feb 6, 2015 by John Marsh Level 8 User (30,400 points)
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