分数单位是的最小带分数是 ,最大真分数是 ,最小假分数是 ,分数单位是的所有最简真分数的和是 .
= (小数)= (百分数)=12: = 折.
0.75== ÷16=27: = %.
= : =33÷ = %
÷4=25%= : =8÷ = 折.
0.75= : = :25= 折= %= (成数)