-2,4,-8,16,-32,64.第7个数是( ),第N个数是( )
问题描述:
-2,4,-8,16,-32,64.第7个数是( ),第N个数是( )
答
-2,4,-8,16,-32,64.第7个数是(-128 ),第N个数是((-2)^n )
-2,4,-8,16,-32,64.第7个数是( ),第N个数是( )
-2,4,-8,16,-32,64.第7个数是(-128 ),第N个数是((-2)^n )