WhatBase = ...
   @(x,y,z)max([m=max(x+y-z) [x y z]])+~m
 
 
WhatBase([12, 103],[4, 101],[16, 204])
WhatBase([4, 21, 25],[5, 1, 20],[9, 23, 17])
WhatBase([16, 11],[25, 94],[41, 105])
WhatBase([2, 140],[21, 183],[24, 100])
WhatBase([8, 157],[1, 28],[9, 185])
WhatBase([2, 158],[0, 88],[3, 12])
WhatBase([8, 199],[1, 34],[9, 233])
WhatBase([3, 247],[7, 438],[11, 221])
WhatBase([3, 122],[3, 2],[6, 124])
WhatBase([6, 328],[3, 31],[9, 359])
WhatBase([0, 0, 2, 1, 0, 0, 0, 0],[1, 2, 0, 0, 1, 0, 1, 0],[1, 2, 2, 1, 1, 0, 1, 0])
WhatBase([16, 105],[16, 120],[33, 84])
WhatBase([15, 60],[9, 30],[24, 90])
WhatBase([2, 0],[1, 2],[3, 2])
WhatBase([1, 3, 3, 7],[0, 1, 2, 3],[1, 4, 6, 0])
WhatBase([0, 0, 0],[1, 12, 8],[1, 12, 8])
WhatBase([1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1],[0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1],[1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0])
disp('unary: 2 + 1 = 3');
WhatBase([0, 1, 1], [0, 0, 1], [1, 1, 1])
disp('binary: 3 + 1 = 4');
WhatBase([0, 1, 1], [0, 0, 1], [1, 0, 0])
 

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