观察下面三行数:1:-3,9,-27,81,-243;2:0,12,-24,84,-240;3:1,-3,9,-27,81.写出各行第8
问题描述:
观察下面三行数:1:-3,9,-27,81,-243;2:0,12,-24,84,-240;3:1,-3,9,-27,81.写出各行第8
答
第一行:6561 第二行:6564 第三行:-2187