Respuestas

2012-08-09T01:54:54+02:00

3m+m

-2n+6n+8n-n

4p -4p

4 -5 -6 


4m+11n-7

2012-08-09T01:55:14+02:00

3m-2n+4+6n+4p-5+8n-6+m-n-4p

3m+m-2n+6n+8n-n+4p-4p+4-5-6

4m-11n-7