观察下面两组数：1,-4,9,-16,25,-36,...-2,8,-18,32,-50,72,...（1）两组数各按什

观察下面两组数：1,-4,9,-16,25,-36,...-2,8,-18,32,-50,72,...（1）两组数各按什 观察下面2组数：1,-4,9,-16,25,-36,.-2,8,-18,32,-50,72,. 观察下面三行数：（1）-2,4,-8,16,-32,64.（2）0,6,-6,18,-30,66. 观察下列两组数:(A)1,-4,9,-16,25,-36,.(B)-2,8,-18,32,-50,72,. 观察下面一列数:1,-2,4,-8,16,-32,64,.第2011个数是什么 观察下面三行数：2,-4,8,-16,32,-64,...(1)0,-6,6,-18,30,-66,...(2)1,-2 观察下面三行数：　（1）1,4,9,16,25,．．．；（2）0,3,8,15,24．．． 看图做题. 观察下面三行数：(1) -1,2,-4,8,-16,32 ...(2) -2,4,-8,16,-32,64 ...(3) 观察下面一列数：-1，2，-3，4，-5，6，-7，8，-9，…． 观察下面两行数,2,4,8,16,32,64…1ﾁ6ﾸ6ﾄ1ﾂ5 观察下面三行数：①1,4,9,16,25,…②0,3,8,15,24,… 观察下面一列数：-1 2 -4 8 -16 32后面一直成倍增加.这列数的n个是什么