Respostas

2013-11-14T14:51:45-02:00
a1 = 8…………….a10 = 8 + (10 – 1) . 4r = 4………………a10 = 8 + 36    >   a10 = 44n = 10a10 = ?…………..s10 = (8 + 44) . 10/2s10 = ?……………s10 = 52 . 5………………………s10 = 260
2013-11-14T16:06:14-02:00