题目内容
一根2米长的绳子,剪去它的
后,又剪去
米,还剩下______米.
| 1 |
| 2 |
| 1 |
| 2 |
2×(1-
)-
,
=2×
-
,
=1-
,
=
(米);
答:还剩下
米.
故答案为:
.
| 1 |
| 2 |
| 1 |
| 2 |
=2×
| 1 |
| 2 |
| 1 |
| 2 |
=1-
| 1 |
| 2 |
=
| 1 |
| 2 |
答:还剩下
| 1 |
| 2 |
故答案为:
| 1 |
| 2 |
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