kalamraf
kalamraf kalamraf
  • 03-04-2018
  • Mathematics
contestada

can anyone help me out, please!
it's urgent!

can anyone help me out please its urgent class=

Respuesta :

backseatdog
backseatdog backseatdog
  • 03-04-2018
You could just use a calculator.  I got 12.

Or use difference of squares since it is in the form a^2 - b^2 = (a+b)(a-b)
So it would look like:

(666 + 1/222 + 666 - 1/222)(666 + 1/222 - 666 + 1/222) =
(2*666)*(2*1/222) =
(2*2*666/222) = 2*2*3 = 12

Ta-dah!
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