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How to square number?
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3 votes
How to square number?

User Niner
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x^2=x \cdot x \\ ----- \\ 1^2=1 \cdot 1 = 1 \\ 2^2=2 \cdot 2 =4 \\ 3^2=3 \cdot 3 =9 \\ 4^2=4 \cdot 4 = 16
User Donniewiko
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