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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