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Can you find numbers for the bottom layer that give you whole numbers on the second layer?
You might like to change just one number at a time.
What is special about the numbers on the bottom layer that give whole number answers for the second layer?
Function Pyramids
Age 16 to 18
Challenge Level 
Can you find numbers for the bottom layer that give you whole numbers on the second layer?
You might like to change just one number at a time.
What is special about the numbers on the bottom layer that give whole number answers for the second layer?
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