题目内容
[1
×0.875+(
-0.6)]÷1
．
| 3 |
| 5 |
| 3 |
| 5 |
| 2 |
| 5 |
[1
×0.875+(
-0.6)]÷1
=[
×
+（0.6-0.6）]÷
，
=[
×
]÷
，
=
÷
，
=1；
| 3 |
| 5 |
| 3 |
| 5 |
| 2 |
| 5 |
=[
| 8 |
| 5 |
| 7 |
| 8 |
| 7 |
| 5 |
=[
| 8 |
| 5 |
| 7 |
| 8 |
| 7 |
| 5 |
=
| 7 |
| 5 |
| 7 |
| 5 |
=1；
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