题目内容
计算:2.75+
+1
.
| 2 |
| 3 |
| 1 |
| 6 |
2.75+
+1
,
=2
+
+1
,
=2
+
+1
,
=4
.
| 2 |
| 3 |
| 1 |
| 6 |
=2
| 3 |
| 4 |
| 2 |
| 3 |
| 1 |
| 6 |
=2
| 9 |
| 12 |
| 8 |
| 12 |
| 2 |
| 12 |
=4
| 7 |
| 12 |
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题目内容
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| 1 |
| 6 |
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| 1 |
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| 9 |
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| 8 |
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