题目内容
(1)一条绳长2米,剪去
,还剩多少米?
(2)一条绳长2米,剪去
米,还剩多少米?
| 2 |
| 5 |
(2)一条绳长2米,剪去
| 2 |
| 5 |
(1)2×(1-
),
=2×
,
=
(米);
答:还剩
米.
(2)2-
=1
(米);
答:还剩1
米.
| 2 |
| 5 |
=2×
| 3 |
| 5 |
=
| 6 |
| 5 |
答:还剩
| 6 |
| 5 |
(2)2-
| 2 |
| 5 |
| 3 |
| 5 |
答:还剩1
| 3 |
| 5 |
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