1年前4个回答
你能帮帮他们吗
设a>1,b>1,且loga(b)+logb(a)=5/2求(a^3+b^3)/(ab+a^2b^2)的值
1年前
EEveryone has heard of the San Andreas fault (断层), which con
1年前
记函数f(x)=f1(x),f(f(x))=f2(x),它们定义域的交集为D,若对任意的x∈D,f2(x)=x,则称f(
1年前
这是件很好看的衣服,翻译成this is nice dress,还是this is a nice dress
1年前
She buys h_____a blouse,too.At about 12 o'clock,they go h___
1年前