56×17+43×17+17的简便算法是(56+43+1)×17。[ ]
正确
孕妇最可能的诊断是
A.不全流产B.习惯性流产C.完全流产D.早期流产E.过期流产
已知:(R0)=4BH,(A)=84H,片内RAM(4BH)=7FH,(40)=20H,执行程序后,(R0)=35H,(A)=7FH,(4BH)=20H,(40H)=7FH MOV A,@R0 MOV @R0,40H MOV 40H,ACC MOV R0,#35H 错误:______ 改正:______