(m是大于0的自然数),当m= 时,是最简真分数,当m 时,是假分数.
n÷n=. .
= ÷8=1.25=5: = %
= ÷5=0.8=4: = %= 折.
==12÷ = (小数)
16: == ÷5= %= (填小数)=八折.