The whole numbers from 1 to 7 are to be placed in the seven circles in the diagram. In each of the three triangles drawn, the sum of the three numbers is the same. Two of the numbers are given. What is X + Y ?
Select one option, then click Submit.
5
6
7
8
9
Select an option, then submit.
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Australian Mathematics Competition 2017 - Junior (2017)
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