1,-2,3,-5,9,-8,27,-11, ( ),( ),( ) 找规律,急!

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1,-2,3,-5,9,-8,27,-11,(),(),()找规律,急!1,-2,3,-5,9,-8,27,-11,(),(),()找规律,急!1,-2,3,-5,9,-8,27,-11,(),(),

1,-2,3,-5,9,-8,27,-11, ( ),( ),( ) 找规律,急!
1,-2,3,-5,9,-8,27,-11, ( ),( ),( ) 找规律,急!

1,-2,3,-5,9,-8,27,-11, ( ),( ),( ) 找规律,急!
正数中,每个正数都是前一个正数的3倍
负数中,每个负数都是前一个负数减去3
所以三个空依次是81,-14,243

1,-2,3,-5,9,-8,27,-11, (81 ),(-14 ),(243 )
正数的都乘3,负数的一次-3