题目内容
| ? |
| 03. |
| ? |
| 0.8 |
| 23 |
| 40 |
| 23 |
| 40 |
分析:先把两个循环小数化成分数,然后进行四则混合运算,本题中是先算除,后算加.
解答:解:由题意知:0.
=
,0.
=
,
0.
÷0.
+0.2,
=
÷
+
,
=
×
+
,
=
+
,
=
,
故答案为:
.
| ? |
| 3 |
| 1 |
| 3 |
| ? |
| 8 |
| 8 |
| 9 |
0.
| ? |
| 3 |
| ? |
| 8 |
=
| 1 |
| 3 |
| 8 |
| 9 |
| 1 |
| 5 |
=
| 1 |
| 3 |
| 9 |
| 8 |
| 1 |
| 5 |
=
| 3 |
| 8 |
| 1 |
| 5 |
=
| 23 |
| 40 |
故答案为:
| 23 |
| 40 |
点评:此题关键是把循环小数化成分数,然后再按四则混合运算的顺序计算.
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