题目内容
| 5 |
| 6 |
| 5 |
| 6 |
| 1 |
| 2 |
| 5 |
| 6 |
| 5 |
| 6 |
| 1 |
| 2 |
分析:通过观察树状图,应先算(
-
),再算除法,因此.列式为:
÷(
-
).
| 5 |
| 6 |
| 1 |
| 2 |
| 5 |
| 6 |
| 5 |
| 6 |
| 1 |
| 2 |
解答:解:
÷(
-
)
=
÷
=
×3
=
.
故答案为:
÷(
-
).
| 5 |
| 6 |
| 5 |
| 6 |
| 1 |
| 2 |
=
| 5 |
| 6 |
| 1 |
| 3 |
=
| 5 |
| 6 |
=
| 5 |
| 2 |
故答案为:
| 5 |
| 6 |
| 5 |
| 6 |
| 1 |
| 2 |
点评:仔细观察树状图,根据运算顺序,列式解答.
练习册系列答案
相关题目