Whichpairs of constants are equal in value? a) -1.2 -1.20 b) ‘-1’ -1 c) “hey” ‘hey’ d) ‘tom’ tom
Which constants are invalid? a) 3,500 b) '3,500' c) 'Area 1' d) "" e) -"1498" f) " ' ".
SAS軟件一問
2011-09-11 8:11 pm
回答 (1)
2011-09-12 10:03 pm
✔ 最佳答案
Whichpairs of constants are equal in value? a) -1.2 -1.20 b) ‘-1’ -1 c) “hey” ‘hey’ d) ‘tom’ tomAns: (a) and (c)
Which constants are invalid? a) 3,500 b) '3,500' c) 'Area 1' d) "" e) -"1498" f) " ' ".
Ans: (a) and (e)
收錄日期: 2021-04-13 18:13:54
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