按规律填空: ①0,2,6,14,30,62, ; ②0,1,3,8,21,55, .
= %= : = (小数)
: =37.5%== ÷ = (填小数)
=0.75== : = %
= : =75%=3÷ = .(填小数)
10÷ = :75== %= (填小数).