甲线段比以线段长厘米,那么乙线段就比甲线段短厘米. .
÷8=0.25= %= :16.
==8÷ == (小数).
÷4==15÷ = = 折.
3÷8== (填小数)
÷8﹦﹦12.5%﹦ : ﹦ (填小数)