题目内容
一条绳子,第一次剪去它的
,第二次剪去余下的
,这时还剩下10米,这条绳子原来有多少米?
| 1 |
| 4 |
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| 5 |
10÷(1-
)÷(1-
)
=10÷
÷
=10×
×
=
(米).
答:这条绳子原来有
米.
| 1 |
| 5 |
| 1 |
| 4 |
=10÷
| 4 |
| 5 |
| 3 |
| 4 |
=10×
| 5 |
| 4 |
| 4 |
| 3 |
=
| 50 |
| 3 |
答:这条绳子原来有
| 50 |
| 3 |
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