题目内容
0.
+0.
+0.
+0.
+0.
+0.
．
| ? |
| 3 |
| ? |
| 4 |
| ? |
| 5 |
| ? |
| 6 |
| ? |
| 7 |
| ? |
| 8 |
分析：此题应把循环小数化为分数，分母为9，9的个数为循环节的位数，分子为小数点后面的数，据此解答．
解答：解：0.
+0.
+0.
+0.
+0.
+0.
，
=
+
+
+
+
+
，
=
，
=
．
| ? |
| 3 |
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| 4 |
| ? |
| 5 |
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| 6 |
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| 7 |
| ? |
| 8 |
=
| 3 |
| 9 |
| 4 |
| 9 |
| 5 |
| 9 |
| 6 |
| 9 |
| 7 |
| 9 |
| 8 |
| 9 |
=
| (3+8)×6÷2 |
| 9 |
=
| 11 |
| 3 |
点评：掌握循环小数化为分数的方法，是解答此题的关键．
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