题目内容
〔﹙9
-3.2)÷2
〕×[1÷(2.1-2
)].
| 1 |
| 5 |
| 1 |
| 2 |
| 9 |
| 100 |
[(9
-3.2)÷2
]×[1÷(2.1-2
)],
=[(9.2-3.2)×
]×[1÷(2.1-2.09)],
=[6×0.4]×[1÷0.01],
=2.4×100,
=240.
| 1 |
| 5 |
| 1 |
| 2 |
| 9 |
| 100 |
=[(9.2-3.2)×
| 2 |
| 5 |
=[6×0.4]×[1÷0.01],
=2.4×100,
=240.
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