Warning: Undefined array key "HTTP_X_FORWARDED_FOR" in E:\WWW\new2\7249.cn\inc\config.php on line 126

Warning: Undefined array key "HTTP_CLIENT_IP" in E:\WWW\new2\7249.cn\inc\config.php on line 128

Warning: Trying to access array offset on null in E:\WWW\new2\7249.cn\inc\config.php on line 165

Warning: Undefined array key "HTTP_X_FORWARDED_FOR" in E:\WWW\new2\7249.cn\inc\config.php on line 126

Warning: Undefined array key "HTTP_CLIENT_IP" in E:\WWW\new2\7249.cn\inc\config.php on line 128

Warning: Undefined array key "HTTP_REFERER" in E:\WWW\new2\7249.cn\inc\config.php on line 196
下列各等式从左到右的变形是因式分解,且分解正确的是() A . B . C . D . 答案:A - 题海网

题目

下列各等式从左到右的变形是因式分解,且分解正确的是() A . B . C . D . 答案:A30、关于商业网点的叙述,正确的是 A.商业网点都应设在经济发达地区 B.在大城市中,往往形成多个商业中心 C.人口稀少地区,不便设置商业网点 D.商业中心的形成与布局只受交通条件的影响
数学 试题推荐

Warning: Undefined array key "st" in E:\WWW\new2\7249.cn\a\tm.php on line 162