3.1.3 比与分数、除法的关系
| 分数 |
小数 |
百分数 |
比 |
| _________ |
0.35 |
_________ |
_________ |
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_________ |
_________ |
_________ |
| _________ |
_________ |
1.25% |
_________ |
| _________ |
_________ |
_________ |
6:15 |





= %=7折.
=33: = %= 成 .
= ÷40= %= 成.
=9÷ = ÷40= 折.
=3÷5= %=
= (填小数)
=
=
= [小数].
=6: = (小数)
= ÷40=1.2.
=9: =
= :40.
= :12=七成五= %
= %
= ÷24= %= :56.
=0.375=21÷ =6: = %.
= %.
=
=
=
,
=
=
9÷ =
=
=
=
.
=
=
= ÷ .
= ÷72≈ %
= :40= %= 折= (小数)
=
=12: = [小数].
= : =
= %
=0.6= ÷10= 成.
=4: .
,则比的前项是
. .
= %=
= (小数)= (折数)
= ÷ = %= :15= 折.
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