观察下面三行数:1,4,9,16,25 …; ① 0,3,8,15,24… ; ② 4,7,12,19,28….③
观察下面三行数:1,4,9,16,25 …; ① 0,3,8,15,24… ; ② 4,7,12,19,28….③
观察下面三行数:①1,4,9,16,25,…②0,3,8,15,24,…
观察下面三行数① 2,-4,8,-16,32,-64…;② 3,-3,9,-15,33,-63,…;③1,
观察下面三行数 ,第一行:1,4.9,16,25..,第二行:0,3,8,15,24...第三行:4,7,12,19,2
观察下面这三行数 3,-9,27,-81.① -1,3-9,27.② 4,-8,28,-80,.③
观察下面三行数:①-2,4,-8,16,-32,64……
观察下面三行数-3 ,9,-27,81,-243……:① 0,12,-24,84,-240……;② 3,-9,27,-8
观察下面三行数:-2,4,-8,16,-32,64 …①0,6,-6,18,-30,66…②-1,2,-4,8
观察下面三行数1,-2,4,-8,16,-32 …①0,-6,6,-18,30,-66 …②2,-4
观察下面三行数:①2,-4,8,-16,···②-1,2,-4,8···③3,-3,9,-15···
观察下面三行数:-1,2,-4,8,-16,32 ① 0,3,-3,9,-15,33 ② -2,4,-8,16,-32,
观察下面三行数: (1)1,4,9,16,25,...;(2)0,3,8,15,24... 看图做题.