题目内容
| 5 |
| 6 |
| 1 |
| 6 |
| 2 |
| 3 |
| 2 |
| 3 |
| 28 |
| 27 |
| 3 |
| 7 |
| 4 |
| 9 |
| 4 |
| 9 |
| 4 |
| 9 |
| 2 |
| 3 |
| 2 |
| 3 |
| 2 |
| 3 |
| 28 |
| 27 |
| 3 |
| 7 |
| 5 |
| 6 |
| 1 |
| 6 |
| 28 |
| 27 |
| 3 |
| 7 |
| 5 |
| 6 |
| 1 |
| 6 |
分析:先计算前三个算式的结果,然后根据结果,写成综合算式.
-
=
,
×
=
,
÷
=
,通过观察这三个算式,第三个算式的被除数和除数分别是前两个算式的结果,因此把第三个算式的被除数和除数用前两个算是代替即可.
| 5 |
| 6 |
| 1 |
| 6 |
| 2 |
| 3 |
| 28 |
| 27 |
| 3 |
| 7 |
| 4 |
| 9 |
| 4 |
| 9 |
| 2 |
| 3 |
| 2 |
| 3 |
解答:解:
-
=
,
×
=
,
÷
=
,
列成综合算式:
×
÷(
-
).
故答案为:
,
,
,
×
÷(
-
).
| 5 |
| 6 |
| 1 |
| 6 |
| 2 |
| 3 |
| 28 |
| 27 |
| 3 |
| 7 |
| 4 |
| 9 |
| 4 |
| 9 |
| 2 |
| 3 |
| 2 |
| 3 |
列成综合算式:
| 28 |
| 27 |
| 3 |
| 7 |
| 5 |
| 6 |
| 1 |
| 6 |
故答案为:
| 2 |
| 3 |
| 4 |
| 9 |
| 2 |
| 3 |
| 28 |
| 27 |
| 3 |
| 7 |
| 5 |
| 6 |
| 1 |
| 6 |
点评:计算出结果,认真观察算式的特点,根据特点列出综合算式.
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