题目内容
王师傅生产一种机器零件,原来要8天,结果提前3天完成,工作效率提高百分之几?
(
-
)÷
=(
-
)÷
=
×8
=0.6
=60%;
答:工作效率提高60%.
| 1 |
| 8-3 |
| 1 |
| 8 |
| 1 |
| 8 |
=(
| 8 |
| 40 |
| 5 |
| 40 |
| 1 |
| 8 |
=
| 3 |
| 40 |
=0.6
=60%;
答:工作效率提高60%.
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| 8-3 |
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