Freda wants to write a number in each of the nine cells of this figure so that the sum of the three numbers on each diameter is 13 and the sum of the eight numbers on the circumference is 40.
What number must be written in the central cell?
Select one option, then click Submit.
3
5
8
10
12
Select an option, then submit.
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Pink Kangaroo 2020 (2020)
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