如果a+b+c=0，1/（a+1）+1/（b+2）+1/（c+3）=0，那么（a+1）2+（b+2）2+（c+3）2=?

雨伞

<a href="http://news.163.com/07/0716/04/3JGELA4O00011229.html" target="_blank">http://news.163.com/07/0716/04/3JGELA4O00011229.html</a>

l12ab

那个2是平方吧？

小豺狼

貌似也是0

支付宝

平方

心只有你

<br><br><div class="msgbody"><div class="msgheader">QUOTE:</div><div class="msgborder">原帖由 <i>l12ab</i> 于 2007-7-16 22:09 发表 <a href="http://www.im286.com/redirect.php?goto=findpost&amp;pid=20579403&amp;ptid=2070302" target="_blank"><img src="http://www.im286.com/images/common/back.gif" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor='hand'; this.alt='Click here to open new window\nCTRL+Mouse wheel to zoom in/out';}" onclick="if(!this.resized) {return true;} else {window.open('http://www.im286.com/images/common/back.gif');}" onmousewheel="return imgzoom(this);" alt="" /></a><br />（a+1）2&nbsp; &nbsp; 是不是乘以2<br /><br />是的话那第二个方程没用，答案是12 </div></div><br>乘以2的话貌似太简单了吧。。<img src="images/smilies/shocked.gif" smilieid="7" border="0" alt="" />

心只有你

题目错了？要不就是我没看懂

liugens

（a+1）2+（b+2）2+（c+3）2=2（a+b+c）+2+4+6=12

l12ab

（a+1）2&nbsp; &nbsp; 是不是乘以2<br /><br />是的话那第二个方程没用，答案是12

coolbaibai

等于 0

我不是你

高中数学题