题目内容
化简比.
:
500千克:
吨.
| 3 |
| 4 |
| 7 |
| 8 |
500千克:
| 2 |
| 3 |
(1)
:
,
=(
×8):(
×8),
=6:7;
500千克:
吨,
=500:
,
=(500×
):(
×
),
=3:4.
| 3 |
| 4 |
| 7 |
| 8 |
=(
| 3 |
| 4 |
| 7 |
| 8 |
=6:7;
500千克:
| 2 |
| 3 |
=500:
| 2000 |
| 3 |
=(500×
| 3 |
| 500 |
| 2000 |
| 3 |
| 3 |
| 500 |
=3:4.
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