ecuaciones

https://docs.google.com/viewer?a=v&q=cache:BGfkq7s2vSoJ:www.sectormatematica.cl/media/NM1/A%2520%2520L%2520%2520G%2520%2520E%2520%2520B%2520%2520R%2520%2520A.doc+valoracion+algebraica&hl=es-419&gl=cl&pid=bl&srcid=ADGEESg7ndANOOYFMF8JWBdCn2-2ED-JZzQexm-FDQj7pQgJFF-g2VI9_YYxdbnVMDAWF4di0HuZqWMcdHKhtIwKt6dmQx-H2oTvcuu0BWl-2lI9rvT7Nwg05hQCg643p_xBeLukN7Vx&sig=AHIEtbQ_se-yMqBX9t-BXv0vTX3nX9nnSQ

aquí un word con las valoraciones algebraicas