1989 AJHSME Problems/Problem 20
Problem
The figure may be folded along the lines shown to form a number cube. Three number faces come together at each corner of the cube. What is the largest sum of three numbers whose faces come together at a corner?
Solution
It is clear that , , and will not come together to get a sum of .
The faces , , and come together at a common vertex, making the maximal sum .
See Also
1989 AJHSME (Problems • Answer Key • Resources) | ||
Preceded by Problem 19 |
Followed by Problem 21 | |
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