题目内容
如个工作,师傅2天可以完成这件工作的
,徒弟3天只能完成这件工作的
.徒弟先做2天,剩下的工作由师徒两人共同完成,完成这件工作共用1少天?
| 3 |
| 8 |
| 十 |
| 十6 |
| 3 |
| 8 |
| 3 |
| 16 |
| 1 |
| 16 |
| 1 |
| l8 |
(1-
| 1 |
| l8 |
| 3 |
| 16 |
| 1 |
| l8 |
=(1-
| 1 |
| 2l |
| 5 |
| 2l |
=
| 23 |
| 2l |
| 5 |
| 2l |
=l
| 3 |
| 5 |
=6
| 3 |
| 5 |
答:完成这件工作共用6
| 3 |
| 5 |
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题目内容
| 3 |
| 8 |
| 十 |
| 十6 |
| 3 |
| 8 |
| 3 |
| 16 |
| 1 |
| 16 |
| 1 |
| l8 |
| 1 |
| l8 |
| 3 |
| 16 |
| 1 |
| l8 |
| 1 |
| 2l |
| 5 |
| 2l |
| 23 |
| 2l |
| 5 |
| 2l |
| 3 |
| 5 |
| 3 |
| 5 |
| 3 |
| 5 |