- 编号:89446
- 题量:30
- 年级:六年级
- 类型:练习检测
- 年份:2014
- 人气:1924
3.1.3 比与分数、除法的关系
= .
3÷ =
× =5: =1.25=
.
0.75=
= ÷8= %= 成数.
= %= ÷20=0.35= :40.
÷20=
= :15=
= (填小数)= %
.
=6÷16= :8= %.
÷16=
=
= (填小数)
:5=0.6= %=
.
15: = ÷8=
= %=0.75.
( 2
): ═ ÷10= %
0.25= %=(
)=4: .
0.4=
= %= 成.
=12÷ = :10=1.5= %
÷ =
=0.4= %= : .
÷ =
= :16= 小数.
= %=12÷ =9: =
.
20%= ÷40=40: = [填小数]=
× .
3÷ =
=
=0.75.
5:8=
= ÷40= (小数)= %.
÷8=
=0.5= :40= %.
=9÷ =
= : = %= (填小数)
÷8=
=1.4= %= : 最简比.
x除以y的商是
,y与x的比是 .