题目内容
某厂计划加工一批零件,第一天加工了计划总数的
,第二天比第一天多加工了
,第三天比第一天少加工
,这时还剩下150个零件没有加工,计划加工多少个零件?
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
150÷[1-
-
×(1+
)-
×(1-
)],
=150÷[1-
-
×
-
×
],
=150÷[1-
-
-
],
=150÷
,
=600(个),
答:计划加工600个零件.
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
=150÷[1-
| 1 |
| 4 |
| 1 |
| 4 |
| 4 |
| 3 |
| 1 |
| 4 |
| 2 |
| 3 |
=150÷[1-
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 6 |
=150÷
| 1 |
| 4 |
=600(个),
答:计划加工600个零件.
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