JJ104请教

zoul1990

N is perfect square, means N=m2, which followingnumber is least biggest perfect square of N
a) N2 b) N+2N^(1/2) c) N+2^(1/2)+1 d)..  
选c 请问此题是怎么回事？

zoul1990

自己顶一下

yuxuan1207

没思路~ 求解···

zoul1990

没人知道么？

GWinner

顶~也没懂...

zoul1990

明天就考了~~求大牛指点一下啊~~~

treewing929

N is perfect square, means N=m2, which followingnumber is least biggest perfect square of N
a) N2 b) N+2N^(1/2) c) N+2^(1/2)+1 d)..  
选c 请问此题是怎么回事？

-- by 会员 zoul1990 (2012/3/10 19:18:28)

首先, 問題是 least biggest 解什麼, 如果明白便會容易點.
以我所知, 真的很少看見英文這樣表達 (但不代表沒有, 只是我見識少吧了.........)
如果我估計, biggest 是修 perfect square of N, 而以下那個會是the least (最少值)?
a) N^2=m^4
b)N+2N^(1/2)=m^2+2m=m(m+2)
c)N+2^(1/2) +1

試代數如 1,2,3,4....不難發現除了 1外, a) & b)值 都大過 c)

請大家考試小心看題目!!!

謝謝!

treewing929

明天就考了~~求大牛指点一下啊~~~

-- by 会员 zoul1990 (2012/3/12 20:20:50)

明天努力!!!加油!!

zoul1990

还是不太明白题目，不过非常感谢了！求明天不要遇到这道题~~

littleyya

不是很明白。。有NN帮忙解释下吗？谢谢！！