题目内容
一根长2米的绳子,先用去
,再用去
米,还剩下( )米.
| 1 |
| 4 |
| 1 |
| 2 |
| A.1 | B.
| C.
|
2×(1-
)-
=2×
-
=
-
=1(米)
答:还剩下米.
故选:A.
| 1 |
| 4 |
| 1 |
| 2 |
=2×
| 3 |
| 4 |
| 1 |
| 2 |
=
| 3 |
| 2 |
| 1 |
| 2 |
=1(米)
答:还剩下米.
故选:A.
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