题目内容
| 17 |
| 6 |
| 6 |
| 17 |
| 6 |
| 17 |
| 2 |
| 7 |
| 5 |
| 7 |
| 5 |
| 7 |
1
| 2 |
| 5 |
1
-| 2 |
| 5 |
| 2 |
| 5 |
| 4 |
| 9 |
| 4 |
| 9 |
分析:最后的运算结果是:
÷
=1;
那么:1÷
=
;1-
=
;1+
=1
;由此填空求解.
| 4 |
| 9 |
| 4 |
| 9 |
那么:1÷
| 17 |
| 6 |
| 6 |
| 17 |
| 2 |
| 7 |
| 5 |
| 7 |
| 2 |
| 5 |
| 2 |
| 5 |
解答:解:
×
=
+
=1
-
=
÷
.
故答案为:
,
,1
.
| 17 |
| 6 |
| 6 |
| 17 |
| 2 |
| 7 |
| 5 |
| 7 |
| 2 |
| 5 |
| 2 |
| 5 |
| 4 |
| 9 |
| 4 |
| 9 |
故答案为:
| 6 |
| 17 |
| 5 |
| 7 |
| 2 |
| 5 |
点评:先求出最后的值,再根据四则运算中各部分的关系求解.
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