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How to do 1296 Division Quickly and Accurately
Posted By: Timothy Chow
Date: Monday, 19 October 2015, at 12:17 a.m.
In Response To: How to do 1296 Division Quickly and Accurately (neilkaz)
Bob's point, I believe, is that you can often avoid entirely the need to divide by 1296.
For example, if you know that onequarter of 1296 is 324, then you can figure out whether some number is greater than (or less than) onequarter of 1296 just by seeing whether it is greater than or less than 324, instead of dividing by 1296 and comparing to 0.25. This is a trivial example but you can apply the same sort of principle more often than many people realize.

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