相关考题
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单项选择题
log48+log42-(1/4)0=（ ）
A.1
B．2
C．3
D．4 -
填空题
To achieve good grades in examinations at university, you need to: have academic ability. be （） . think clearly. observe time management practices. -
单项选择题
函数y=2x-1的反函数为（ ）
A.y=log22+1(x＞O，x≠1)
B．y=log22-1(x＞0，z≠1)
C．y=log2x+1(x＞0)
D．y=iOg2x-1(x＞0)
