Magic triangle (2)

This time you can decide the total for the sides of the triangle.

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This challenge is to find as many ways as possible of making 12 using three number cards and the add, subtract and multiply signs.

Can you put the numbers 1 to 9 in the diagram so that the difference between each pair of joined numbers is odd?

Investigation looking at possibilities when adding the digits from 1 to 5.

Solving tricky fraction problems.

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