【单选题】逻辑函数式F=((AC+(A ’ BC)) ’ +B ’ C+ABC ’ ) ’化简之后的结果为
【简答题】The ancestors of the English ______, while the Scots, Welsh and Irish the ______.
【判断题】The English, the Scots, and the Welsh are Anglo-Saxons, but the Irish are Celts.
【简答题】化简:Y=ABC+ABD+AC’D+AB’C
【简答题】如果我们的工作与兴趣是匹配的,那么稳定性会()。
【简答题】计算或化简: (1) (2) (3) (4)在直角△ABC中,∠C=90 ,AC='2' cm ,BC='4' cm ,求AB的长.