题目内容
列出一个综合式.
+
=
×4=
-
=
.
| 23 |
| 10 |
| 11 |
| 5 |
| 9 |
| 2 |
| 13 |
| 20 |
| 13 |
| 5 |
| 9 |
| 2 |
| 13 |
| 5 |
| 19 |
| 10 |
考点:分数的四则混合运算
专题:运算顺序及法则
分析:
+
=
,
×4=
,
-
=1
,先用
+
=
,求出和,再用
×4=
,求出积,然后用求出的和减去求出的积即可.
| 23 |
| 10 |
| 11 |
| 5 |
| 9 |
| 2 |
| 13 |
| 20 |
| 13 |
| 5 |
| 9 |
| 2 |
| 13 |
| 5 |
| 19 |
| 10 |
| 23 |
| 10 |
| 11 |
| 5 |
| 9 |
| 2 |
| 13 |
| 20 |
| 13 |
| 5 |
解答:
解:
+
=
,
×4=
,
-
=1
三个算式,
列出一个综合算式是:(
+
)-
×4.
故答案为:(
+
)-
×4.
| 23 |
| 10 |
| 11 |
| 5 |
| 9 |
| 2 |
| 13 |
| 20 |
| 13 |
| 5 |
| 9 |
| 2 |
| 13 |
| 5 |
| 19 |
| 10 |
列出一个综合算式是:(
| 23 |
| 10 |
| 11 |
| 5 |
| 13 |
| 20 |
故答案为:(
| 23 |
| 10 |
| 11 |
| 5 |
| 13 |
| 20 |
点评:本题先根据给出的分步式找出计算的顺序,然后合理运用括号,列出综合算式.
练习册系列答案
相关题目