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Some think that we are to the doors of a physical theory unified that it is able to explain everything what we see. It is possible, but we must remember that to have one it formulates that summarizes everything does not mean that we pruned to include/understand it or to predict its behavior in […]

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Gaussian route (blog that I recommend by the way) I am with this
peculiar video that shows a graphical method of multiplication that
uses a line for each number and the cuts of each line like result.

Easy Graphical Multiplication Trick
Quite interesting, but multilicamos 12 x2 us dara like result 240, and not 24, so that when linias […]

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A list of simple rules to consider of tests of divisibilidad that will help us to verify the primalidad of a number. A natural number is divisible by :
* 2: If the number is even
* 3: If the sum of its digits is divisible by 3
[…]

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Certain mathematical problems exist where it is necessary to use mathematical tools to be solved quickly. This happens in problems where they request results to us that require an amount of quite great previous basic operations arithmetical (some excessive ones). For it it is important to know methods or theorems that will help us to […]