=148*1001001*(2000+6)
=(148*2000+148*6)*1001001
=(296000+888)*(1000000+1000+1)
=296888*1000000+296888*1000+296888*1
=297185184888
148148148*2006
=(148+148000+148000000*2006
=296888+296888000+296888000000
=297185184888
记得给分