单项选择题
设X=”102”,Y=”200”,其值为逻辑假的表达式是() 。
A.X$Y . AND . (X==Y). OR .(“X”$”SJKXY”)
B.X+Y $”10220089” . AND . . NOT . X<>Y
C.. NOT . X$Y . AND . . NOT . X=Y
D.. NOT . Y-X=”98”
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单项选择题
A.X$Y . AND . (X==Y). OR .(“X”$”SJKXY”)
B.X+Y $”10220089” . AND . . NOT . X<>Y
C.. NOT . X$Y . AND . . NOT . X=Y
D.. NOT . Y-X=”98”
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