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Top Important Dates in world history

B.C. 776      : First Olympiad in Greece. 753      : Rome founded. 490       :Battle of Marathon; the Greeks defeated the Iranians/ Pe...

how to 9999*9997 in 5 secs with Base method

Procedure Do the tricks Find the near base divide into two sections  left side is cross sum and right side multiplication of two values for ...

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