【简答题】If A=[4,5,7;8,4,2;9,5,7],so A(1,2)*A(2,3)=(_);
【单选题】____any flowers on both sides of the street?
【判断题】半加器和全加器的区别在于半加器无进位输出,全加器有进位输出。
【单选题】According to the story, we can conclude that ______.
A.
Emma told the truth , but her father told lies
B.
Emma told lies, but her father told her the truth
C.
both Emma and her father told lies
D.
both Emma and her father told the truth
【判断题】直接生产费用不一定是直接计入费用,间接生产费用大多是间接计入费用。( )