1: Y=AB'+C=(AB'+C)''=[(AB')'·C']'=[(A'+B)·C']'=(A'C'+BC')'=(A'C')'·(BC')'=(A+C)(B'+C)
2: Y=AB+BC+AC=[(AB)'·(BC)'·(AC)']'
草草的算的,若有不对,请告知.
1: Y=AB'+C=(AB'+C)''=[(AB')'·C']'=[(A'+B)·C']'=(A'C'+BC')'=(A'C')'·(BC')'=(A+C)(B'+C)
2: Y=AB+BC+AC=[(AB)'·(BC)'·(AC)']'
草草的算的,若有不对,请告知.