题目内容
[14.8+(3
-1.5)×1.12]÷2
.
| 2 |
| 7 |
| 2 |
| 3 |
[14.8+(3
-1.5)×1.12]÷2
,
=[14.8+
×1.12]÷2
,
=[14.8+
×
]÷2
,
=[14.8+2]÷2
,
=16.8÷2
,
=
×
,
=
.
| 2 |
| 7 |
| 2 |
| 3 |
=[14.8+
| 25 |
| 14 |
| 2 |
| 3 |
=[14.8+
| 25 |
| 14 |
| 112 |
| 100 |
| 2 |
| 3 |
=[14.8+2]÷2
| 2 |
| 3 |
=16.8÷2
| 2 |
| 3 |
=
| 84 |
| 5 |
| 3 |
| 8 |
=
| 63 |
| 10 |
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