题目内容
再举几个例子试一试,把你的发现写下来.
分析:先按照分数乘除法计算方法,依据图示计算步骤求出得数,再与
比较即可解答.
| 7 |
| 8 |
解答:解:
÷
÷
×
,
=
÷
×
,
=
×
,
=
,
答:我发现最后的得数与开头的数不变,
例如:
÷
÷
×
,
=
÷
×
,
=
×
,
=
.
| 7 |
| 8 |
| 2 |
| 3 |
| 3 |
| 4 |
| 1 |
| 2 |
=
| 21 |
| 16 |
| 3 |
| 4 |
| 1 |
| 2 |
=
| 7 |
| 4 |
| 1 |
| 2 |
=
| 7 |
| 8 |
答:我发现最后的得数与开头的数不变,
例如:
| 4 |
| 5 |
| 2 |
| 3 |
| 3 |
| 4 |
| 1 |
| 2 |
=
| 6 |
| 5 |
| 3 |
| 4 |
| 1 |
| 2 |
=
| 8 |
| 5 |
| 1 |
| 2 |
=
| 4 |
| 5 |
点评:解答本题的关键是按步骤求出图示算式的结果.
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