题目内容
从A城到B城,甲车要10小时,乙车要8小时,甲车速度比乙车( )
| A.快25% | B.慢20% | C.慢80% |
(
-
)÷
,
=(
-
)÷
,
=
×8,
=20%;
故选:B.
| 1 |
| 8 |
| 1 |
| 10 |
| 1 |
| 8 |
=(
| 5 |
| 40 |
| 4 |
| 40 |
| 1 |
| 8 |
=
| 1 |
| 40 |
=20%;
故选:B.
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题目内容
| A.快25% | B.慢20% | C.慢80% |
| 1 |
| 8 |
| 1 |
| 10 |
| 1 |
| 8 |
| 5 |
| 40 |
| 4 |
| 40 |
| 1 |
| 8 |
| 1 |
| 40 |