SOLUTION: What number is needed to replace the question mark (4,32,12) (18,52,8) (10,40,?)

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Question 850690: What number is needed to replace the question mark
(4,32,12) (18,52,8) (10,40,?)

Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
for what purpose?
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