题目内容
甲乙丙3根木棒竖直插入水池中,且均与水池底部接触,3根木帮的长度之和是360厘米,甲木棒有
露在水面外,乙木棒有
露在水面外,丙木棒有
露在水面外,水深多少米?
| 3 |
| 4 |
| 4 |
| 7 |
| 2 |
| 5 |
设水深为H 则甲木棒长为(H÷
)厘米,乙木棒长为(H÷
)厘米,丙木棒长为(H÷
)厘米,
由题意得:(H÷
)+(H÷
)+(H÷
)=360,
4H+
H+
H=360,
H=360,
H=45;
45厘米=0.45米.
答:水深0.45米.
| 1 |
| 4 |
| 3 |
| 7 |
| 3 |
| 5 |
由题意得:(H÷
| 1 |
| 4 |
| 3 |
| 7 |
| 3 |
| 5 |
4H+
| 7 |
| 3 |
| 5 |
| 3 |
| 24 |
| 3 |
H=45;
45厘米=0.45米.
答:水深0.45米.
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