题目内容
| 比 | 化成最简整数比 | 求比值 | ||||
625毫升:
| ______ | ______ | ||||
0.8:
| ______ | ______ | ||||
| ______ | ______ | ||||
| 0.2小时:20分钟 | ______ | ______ |
(1)625毫升:
升,
=625毫升:375毫升,
=(625÷125):(375÷125),
=5:3;
625毫升:
升,
=5:3,
=5÷3,
=
.
(2)0.8:
,
=(
×15):(
×15),
=12:10,
=6:5;
0.8:
,
=6:5,
=6÷5,
=
.
(3)
:
,
=(
×4):(
×4),
=3:2;
:
,
=3:2,
=3÷2,
=
.
(4)0.2小时:20分钟,
=12分钟:20分钟,
=(12÷4):(20÷4),
=3:5;
0.2小时:20分钟,
=3:5,
=3÷5,
=
.
故答案为:5:3,
,6:5,
,3:2,
,3:5,
.
| 3 |
| 8 |
=625毫升:375毫升,
=(625÷125):(375÷125),
=5:3;
625毫升:
| 3 |
| 8 |
=5:3,
=5÷3,
=
| 5 |
| 3 |
(2)0.8:
| 2 |
| 3 |
=(
| 4 |
| 5 |
| 2 |
| 3 |
=12:10,
=6:5;
0.8:
| 2 |
| 3 |
=6:5,
=6÷5,
=
| 6 |
| 5 |
(3)
| 3 |
| 4 |
| 1 |
| 2 |
=(
| 3 |
| 4 |
| 1 |
| 2 |
=3:2;
| 3 |
| 4 |
| 1 |
| 2 |
=3:2,
=3÷2,
=
| 3 |
| 2 |
(4)0.2小时:20分钟,
=12分钟:20分钟,
=(12÷4):(20÷4),
=3:5;
0.2小时:20分钟,
=3:5,
=3÷5,
=
| 3 |
| 5 |
故答案为:5:3,
| 5 |
| 3 |
| 6 |
| 5 |
| 3 |
| 2 |
| 3 |
| 5 |
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