题目内容
某工厂的女工的占
,又招进50名男工,这时女工占总人数的
,工厂原有多少工人?
| 3 |
| 4 |
| 2 |
| 3 |
50÷[(1-
)÷
-(1-
)÷
]÷
=50÷[
÷
-
÷
]÷
,
=50÷[
-
]×
,
=50×6×
,
=400(人);
答:工厂原有400名工人.
| 2 |
| 3 |
| 2 |
| 3 |
| 3 |
| 4 |
| 3 |
| 4 |
| 3 |
| 4 |
=50÷[
| 1 |
| 3 |
| 2 |
| 3 |
| 1 |
| 4 |
| 3 |
| 4 |
| 3 |
| 4 |
=50÷[
| 1 |
| 2 |
| 1 |
| 3 |
| 4 |
| 3 |
=50×6×
| 4 |
| 3 |
=400(人);
答:工厂原有400名工人.
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