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Algebra
Level
4
@(1,5,3) = 53
@(9,2,5) = 138
@(4,7,2) = 61
@(0,9,2) = 89
Then find @(3,2,3) - @(2,5,1)
The answer is 6.
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@(a,b,c)= a + b 2 + c 3