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原帖由 <i>luoyafei87</i> 于 8-5 23:23 发表 <a href="http://www.topkaoyan.net/redirect.php?goto=findpost&pid=509446&ptid=101901" target="_blank"><img src="http://www.topkaoyan.net/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(this.src);}" onmousewheel="return imgzoom(this);" alt="" /></a><br />
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那下面这道怎么分了啊,在求出结果之前,难道能知道分开后的第一个式子的极限一定是存在的吗? |
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