Thursday, 1 September 2016

Special interest group

Can you add any other combinations? 
Can you see a pattern? Please add your ideas under comments. 


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1 comment:

  1. Emma1 September 2016 at 20:46

    I got 4 patterns of 37. 5+3+7+3+5+7+7=37，5+5+5+5+5+7+5=37，5+5+7+3+7+5+5=37，5+7+3+5+7+1+7+1+1=37.

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