Respuestas

2013-01-17T23:33:00+01:00

OPERANDO:

3-6M+M/3-1/2

3-1/2+M/3-6M

5/2-17M/3

15-34M/6

 

15-34M

     6

 

SALUDOS

2013-01-18T00:16:39+01:00

3-6m+m/3-1/2=

 

3-1/2 -6m+m/3=

 

5/2 -17m/3=   -17m/3 +5/2