题目内容

下列表达式S-T的值是（）S＝｛1010,"1010",78.9｝T={1010,"1010",12.3,1010,1010}

A. {1010,‘1010’}
B. {78.9}
C. {12.3}
D. {1010,"1010",12.3}

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A. {1010,‘1010’}
B. {1010，‘1010’，12.3,78.9}
C. {1010，‘1010’，12.3,78.9，1010,1010}
D. {1010,"1010",12.3}

A. {78.9,12.3}
B. {1010,78.9,'1010'}
C. {1010,"1010",12.3}
D. {1010，‘1010’，12.3,78.9，1010,1010}

A. {78.9,12.3}
B. {78.9,1010,12.3,'1010'}
C. {78.5,1010,12.3}
D. {78.5,1010,12.3,'1010',1010,1010}

A. {[1,1,2,3]}
B. {1,2,3}
C. {[1,2,3]}
D. {1,1,2,3}