下列各数按从小到大排列:7.7、7.707、7.077、7.77、7.77…、7.077… .
= ÷ = (填小数)
12÷ =0.75== :36= %
÷ =0.125=2÷ == %
: == ÷20= 折.
:20==0.8=24÷ =80%= 成= 折.