单项选择题
A.2^a+5 B.2^a+2^5 C.2^(a+5) D.2^a2^5
A.t=b:b=a:a=t B.a=a+b:b=a-b:a=a-b C.t=a:a=b:b=t D.a=b:b=a
A.r% B.r! C.r# D.r$
A.Const a As Single=10.5 B.Const a As Double=Cos(10.5) C.Const a="abc" D.Const a As Integer=10.5
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