题目内容
| 7 | 3 |
分析:根据题意,
的倒数是
,然后再把
与
相加即可.
| 7 |
| 3 |
| 3 |
| 7 |
| 7 |
| 3 |
| 3 |
| 7 |
解答:解:
+1÷
=
+
=
.
答:和是
.
| 7 |
| 3 |
| 7 |
| 3 |
=
| 7 |
| 3 |
| 3 |
| 7 |
=
| 58 |
| 21 |
答:和是
| 58 |
| 21 |
点评:本题关键是先求出这个数的倒数,然后再进一步解答.
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题目内容
| 7 | 3 |
| 7 |
| 3 |
| 3 |
| 7 |
| 7 |
| 3 |
| 3 |
| 7 |
| 7 |
| 3 |
| 7 |
| 3 |
| 7 |
| 3 |
| 3 |
| 7 |
| 58 |
| 21 |
| 58 |
| 21 |