011.11.2233.13.24901004.11232(),4.24.3413124121134.41,24.5135[1]..[2]..TeachingDesignofDesignofCombinationalLogicCircuitAbstractTheworldtodayistheworldofelectricity,istheeraofdigital,intelligentcontrol.Ifthereisnomodernelectronictechnology,allintelligentcontrolwouldbeimpossible.Therefore,masteringdesignofcombinationallogiccircuitsisthebasisofmoderndigitalelectronictechnology.3Keywordsdigitalcircuitbasis;logicgate;voterwith3people;applywhattheylearnG42A1006-4311201111-0298-011F=AB+BC+CA2F=AB+BC+CA=AB+BC+CA=ABBCCA298