下面指令序列执行后完成的运算,正确的算术表达式应是()MOVAL,BYTEPTRXSHLAL,1DECALMOVBYTEPTRY,AL

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下面指令序列执行后完成的运算,正确的算术表达式应是()MOVAL,BYTEPTRXSHLAL,1DECALMOVBYTEPTRY,AL

A.y=2*x+1

B.x=2*y+1

C.x=2*y-1

D.y=2*x-1

参考答案:

答案:D