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It is a small thick book in which many unknown,known,tough and easy sums are given.in these magazines there are also some short tricks to do maths easily one of them are if you want to multiply 33 to 11 then you have to do like this.take the number 33 the put one three on right and one three on left and in the middle add the sum of 3 +3.

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It is reffered tbimonthly publication of the mathematical association of america .
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