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CRGreathouse said:The tables work like ordinary multiplication tables -- choose the row & column of the numbers you're multiplying, then their intersection has the product.
Hint on the questions: the squares are on the diagonal of the multiplication table.
John Creighto said:What if x is greater then 6 though?
x^2=3+n*7
Aside from trying every possible value of n I'm not sure how to prove n can't be an integer.
Has math changed so much since I was a boy?CRGreathouse said:The tables work like ordinary multiplication tables -- choose the row & column of the numbers you're multiplying, then their intersection has the product.
Hint on the questions: the squares are on the diagonal of the multiplication table.
DaveC426913 said:Has math changed so much since I was a boy?
Since when does 6+6 = 5?
Since when does 6x6 = 1?
It looks like there's some sort of modulo going on.
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