题目内容
一项工程,甲独做要6天完成,乙独做要10天完成,两队合作3天,剩下的由甲队独做,还要多少天可以完成?
[1-(
+
)×3]÷
=(1-
×3)×6
=(1-
)×6
=
×6
=1.2(天)
答:还要1.2天可以完成.
| 1 |
| 6 |
| 1 |
| 10 |
| 1 |
| 6 |
=(1-
| 8 |
| 30 |
=(1-
| 8 |
| 10 |
=
| 1 |
| 5 |
=1.2(天)
答:还要1.2天可以完成.
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题目内容
| 1 |
| 6 |
| 1 |
| 10 |
| 1 |
| 6 |
| 8 |
| 30 |
| 8 |
| 10 |
| 1 |
| 5 |