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Multiply 3 consecutive numbers together and then add the middle number
eg (1 x 2 x 3) + 2 = 8
So i figured the answer is the middle number cubed
Prove your answer using algebra (hint make the middle number n)
small is n-1
big is n+1
middle is n
small * big = n^2 - 1
that * middle = n^3 - n
that + middle = n^3
Hurray!!
igloo myrtilles fourmis
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