题目内容
一根铁丝长
m,截去
,还剩下______,若截去
m,则还剩下______.
| 4 |
| 5 |
| 1 |
| 4 |
| 1 |
| 4 |
(1)
×(1-
),
=
×
,
=
(米);
答:还剩下
米.
(2)
-
=
-
=
(米);
答:还剩下
米.
故答案为:
米,
米.
| 4 |
| 5 |
| 1 |
| 4 |
=
| 4 |
| 5 |
| 3 |
| 4 |
=
| 3 |
| 5 |
答:还剩下
| 3 |
| 5 |
(2)
| 4 |
| 5 |
| 1 |
| 4 |
| 16 |
| 20 |
| 5 |
| 20 |
| 11 |
| 20 |
答:还剩下
| 11 |
| 20 |
故答案为:
| 3 |
| 5 |
| 11 |
| 20 |
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