作业帮A:I___already____ (finish) the work.B:Really?When ___you___(finish)it?
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A:I___already____ (finish) the work.B:Really?When ___you___(finish)it?
A:I___already____ (finish) the work.B:Really?When ___you___(finish)it?
A:I___already____ (finish) the work.B:Really?When ___you___(finish)it?
A.I have already finished the work.
B.Really When did you finish it
A. I have already finished the work.
B. Really ? When have you finished it ?
你好，很高兴可以为你解答问题。
答案应该是这样的：
A:I_have__already__finished__ (finish) the work.
B:Really? When _have__you_finished__(finish)it?
希望这些能帮助你。
如果满意的话，请采纳，谢谢。
A:I___already____ (finish) the work.B:Really?When ___you___(finish)it?
f(a)f(b)
化简f(a)咋化简
英语翻译f a
求化简f（a）
化简f(a)
#define F(a)
D #F A
F.A.CUP 是什么
a.f.代表什么?
F a c k
F.P.A 是什么意思?
f(2a+b)
已知a,b属于正整数,f(a+b)=f(a)+f(b),且f(1)=2,则f(2)/f(1)+f(3)/f(2)+f(4)/f(3)+.+f(2009)/f(2008)+f(2010)/f(2009)=?
已知函数f(x)在R上是减函数,a,b∈R,且a+b小于等于0,则有A.f(a)+f(b)小于等于-f(a)-f(b)B.f(a)+f(b)大于等于-f(a)-f(b)c,f(a)+f(b)小于等于f(-a)+f(-b)D,f(a)+f(b)大于等于f(-a)+f(-b)
已知函数f(x)在实数区间上为减函数,a,b∈R,a+b≤0,则有A f(a)+f(b)≤-f(a)-f(b)B f(a)+f(b)≥-f(a)-f(b)C f(a)+f(b)≤f(-a)+f(-b)D f(a)+f(b)≥f(-a)+f(-b)
照明图纸中的A.F.F.
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