①-3,9,-27,81,-243,729,...②0,12,-24,84,-241,732,...③-1,3,-9,27,-81,243...

问题描述:

①-3,9,-27,81,-243,729,...②0,12,-24,84,-241,732,...③-1,3,-9,27,-81,243...
(1)第②③行数与第①行数分别有神马关系;
(2)用方程的形式表示第①行数中的第2011个数;
(3)分别取每行数的第10个数,计算这三个数的和;

(1)②+3=① ,③乘以3=①
(2)-3^2011 
(3)188968