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[多选题]
判断char型变量c1是否为大写字母的正确表达式是_____()
A.’A'<=c1<=’Z’
B.(c1>=’A’)&(c1<=’Z’)
C.(c1>=’A’)&&(c1<=’Z’)
D.(‘A'<=c1) AND (‘Z’>=c1)
E.(‘A'<=c1)&&(‘Z’>=c1)
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A.’A'<=c1<=’Z’
B.(c1>=’A’)&(c1<=’Z’)
C.(c1>=’A’)&&(c1<=’Z’)
D.(‘A'<=c1) AND (‘Z’>=c1)
E.(‘A'<=c1)&&(‘Z’>=c1)
第1题
A.'a'<=c1<='z'
B.(c1>='a')&&(c1<='z')
C.(c1>=a)&&(c1<=z)
D.(‘a'<=c1)||('z'>=c1)
第2题
A.'A'<=ch<='Z'
B.(ch>='A')&(ch<='Z')
C.(ch>='A')&&(ch<='Z')
D.('A'<=ch)AND('Z'>=ch)
第3题
A.(c1>=0)&&(c1<=9)
B.(c1>=’0’)&&(c1<=’9’)
C.’0’<=c1<=’9’
D.(c1>=’0’)||(c1<=’9’)
第8题
A.(ch>='0')||(ch<='9')
B.'0'<=ch<='9'
C.('0'<=ch)and('9'>=ch)
D.(ch>='0')&&(ch<='9')
第9题
A.int
B.long
C.double
D.char
第10题
A.MOD(Y,2)=0
B.INT(Y/2)=Y/2
C.Y%2=0
D.INT(Y/2)=MOD(Y , 2)
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