题目内容
化简比
|
|
(1)
:
,
=(
÷
):(
÷
),
=1:1;
(2)
吨:750千克,
=400千克:750千克,
=400:750,
=(400÷50):(750÷50),
=8:15.
| 2 |
| 5 |
| 2 |
| 5 |
=(
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
| 2 |
| 5 |
=1:1;
(2)
| 2 |
| 5 |
=400千克:750千克,
=400:750,
=(400÷50):(750÷50),
=8:15.
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