观察下面三组数:①-3,9,-27,81,-243,729···②0,12,-24,84,-240,732···

观察下面三组数:①-3,9,-27,81,-243,729···②0,12,-24,84,-240,732··· 观察下面数字,①-3,9,-27,81,-243,729,……②0,12,-24,84,-240,732,……③-1,3 观察下面各行数①-3,9,-27,81,-243,729……②0,12,-24,84,-240,732…… 观察下面的数：3,9,27,81,243,729,······①1,7,25,79,241,727,······②1,3 标准检测卷观察下面三行数：-3,9,-27,81,-243,729……0,12,-24,84,-240,732……-1, 观察下面三行数-3 ,9,-27,81,-243……：① 0,12,-24,84,-240……;② 3,-9,27,-8 观察下面的数:(1)-3,9,-27,81,-243,729.(2)0,12,-24,84,-243,729.(3)-1 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：-3,9,-27,81,-243；2：0,12,-24,84,-240；3：-1,3,-9,27,- 观察下面三行数：1：-3,9,-27,81,-243；2：0,12,-24,84,-240；3：1,-3,9,-27,8 观察下列数0,3,8,15,24,35,···排列的规律,第N(N为正整 观察下列数0,3,8,观察 先观察下面一列数,再回答问题：1,2,3,4,5,6,7,8····