在、、中最大的分数是 ,最小的分数是 ,最接近0.5的分数是 .
÷15=0.8==16: = %= 折.
0.8==12÷ = 折= %
3÷ == :12=七成五= %
=0.75=15÷ .
9: == ÷32== :56.