Respuestas

2012-07-14T00:25:06+02:00

((2/4)+2) - (3/4 * 2/3) = ((2+8)/4) - (6/12) = (10/4) - (6/12) = (5/2 - 1/2) = 4/2 = 2

2012-07-14T00:27:24+02:00

(2+2)-(3*2) =

 4         4 3


2+8  -   =

   4      12

 

10 -  6  =  5 - 2

 4    12     2    4


 

5 -  2  =

2    4

 

5(4) - 2(2)

     2(4)

 

20-4 =

  8

 

16 = 2

 8