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Square your number quickly

by Analog anik

EduportalBD.comIf you need to square a 2 digit number end with 5, you can do it very easily using this trick.

>add 1 with first digit, then mulitply it by itself, and put 25 on the end. That is all!
25 suare = [2x(2 1)] & 25
2 x 3 = 6

try it!!! try it!!!!
625Thank You

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