Math Is Fun Forum

G_Einstein

Member

Registered: 2008-08-30

Posts: 124

New way of calculation!!!

Here is a methode how to calculate easier the square of a number wich ends with a 5.

  and here is the methode:
When you have to calculate the square of a number ending with five,first you ""convert"" 5 into 25 because

,and then,the rest numbers,in this case just 1 ,we multiply that number per (n+1),where n is that number .

Other examples:

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Se Zoti vete e tha me goje,se kombet shuhen permbi dhe,por SHqiperia do te roje,per te,per te luftojme ne.
God said that all nation exincts on the ground,but Albania will survive,for it,for it we are fighting.