— Let’s go and have sports together.\n— _______
A.Yes, please.
B.You’re welcome.
C.Good idea.
D.Thank you.
下列各项中，代表递延年金现值系数的是( )。A．(P/A，i，n)(P/F，i，n—s)B．[(p/A，i，n)—(F／A，i，n—5)]C．(P／A，i，s)(P／A，i，n—S)D．(P／A，i，n—s)(P/F，i，s)
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程序段s=i=0;do{i=i+1;s=s+i;}while(i=n);的时间复杂度为()。A、O(n)B、O(nlog2n)C、O(n)D、O(n/2)
—I'd met Smith several times before.—So (have) ( ) I.
Would you like to come to our party this weekend?().A. Yes, I had great fun at the partyB. No, I’d like to at tend the partyC. I’m sorry that I won’t be able to attend the party
– Jack, are you leaving now? It's 7:20.– ( ).A. Yes, it's still earlyB. No, thirty minutes is enoughC. Yes, the bag is not readyD. No, I'll set off in 30 minutes
【判断题】Z（s）在Re（s)上有零点。（）A．Y.是B．N.否
函数pi的功能是根据以下近似公式求π值： （π*π)/6=1+1/（2*2)+1/（3*3)+..+1/（n*n) 请填空，完成求π的功能。 #include main（) { double s=0.0; int i,n; scanf（"%d",&n); for（i=1;i<=n;i++) s=s+_______ s=（sqrt（6*s)); printf（"s=%e",s); }A．1.0/(i*i)B．1.0/i*iC．1/i*iD．1.0/(n*n)
