题目内容
| 1 |
| 2 |
2
2
=| 3 |
| 5 |
| 5 |
| 3 |
| 5 |
| 3 |
2
2
=| 4 |
| 7 |
| 3 |
| 7 |
| 3 |
| 7 |
0
0
.分析:根据倒数的意义和分数乘法、加法的计算方法,进行解答.
解答:解:
×2=
×
=0.5×2=
+
=1-0;
故答案为:2,
,2,
,0.
| 1 |
| 2 |
| 3 |
| 5 |
| 5 |
| 3 |
| 4 |
| 7 |
| 3 |
| 7 |
故答案为:2,
| 5 |
| 3 |
| 3 |
| 7 |
点评:此题主要考查倒数的意义和分数的乘法、加法的计算方法.
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