小熊从下面盒子里分别摸出一颗弹珠,结果是哪个?
20: = ÷20==0.8= %
==36÷ = (填小数)
18: =0.25= %= ÷24=.
2.5==50÷ = ÷50.
6: = %=0.25= ÷48= (填分数)