题目内容
把下面的比化成最简整数比.
60:32
0.45:0.2
:
625毫升:
升
9千克:300克
0.2小时:20分钟.
60:32
0.45:0.2
| 3 |
| 7 |
| 5 |
| 6 |
625毫升:
| 3 |
| 8 |
9千克:300克
0.2小时:20分钟.
(1)60:32,
=(60÷4):(32÷4),
=15:8;
(2)0.45:0.2,
=(0.45×100):(0.2×100),
=45:20,
=9:4;
(3)
:
,
=(
×42):(
×42),
=18:35;
(4)625毫升:
升,
=625毫升:375毫升,
=(625÷125):(375÷125),
=5:3;
(5)9千克:300克,
=9000克:300克,
=(9000÷300):(300÷300),
=30:1;
(6)0.2小时:20分钟,
=12分:20分,
=(12÷4):(20÷4),
=3:5.
=(60÷4):(32÷4),
=15:8;
(2)0.45:0.2,
=(0.45×100):(0.2×100),
=45:20,
=9:4;
(3)
| 3 |
| 7 |
| 5 |
| 6 |
=(
| 3 |
| 7 |
| 5 |
| 6 |
=18:35;
(4)625毫升:
| 3 |
| 8 |
=625毫升:375毫升,
=(625÷125):(375÷125),
=5:3;
(5)9千克:300克,
=9000克:300克,
=(9000÷300):(300÷300),
=30:1;
(6)0.2小时:20分钟,
=12分:20分,
=(12÷4):(20÷4),
=3:5.
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