Solve 196^2 by the formulae (a-b)^2=a^2-2ab+b^2 – InterviewSolution

1.	Solve 196^2 by the formulae (a-b)^2=a^2-2ab+b^2
Answer» Solve 196^2 by the formulae (a-b)^2=a^2-2ab+b^2

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