题目内容
根据条件列出一个综合式.
+
=
,
×4=
,
-
=
,
×
=
.
| 23 |
| 10 |
| 11 |
| 5 |
| 9 |
| 2 |
| 13 |
| 20 |
| 13 |
| 5 |
| 9 |
| 2 |
| 13 |
| 5 |
| 19 |
| 10 |
| 3 |
| 5 |
| 19 |
| 10 |
| 57 |
| 50 |
考点:分数的四则混合运算
专题:运算顺序及法则
分析:先算加法及乘法,再算减法,最后计算乘法,由此顺序列出综合算式即可.
解答:
解:
×[(
+
)-
×4]
=
×[
-
]
=
×
=
故答案为:
×[(
+
)-
×4].
| 3 |
| 5 |
| 23 |
| 10 |
| 11 |
| 5 |
| 13 |
| 20 |
=
| 3 |
| 5 |
| 9 |
| 2 |
| 13 |
| 5 |
=
| 3 |
| 5 |
| 19 |
| 10 |
=
| 57 |
| 50 |
故答案为:
| 3 |
| 5 |
| 23 |
| 10 |
| 11 |
| 5 |
| 13 |
| 20 |
点评:整数混合运算的关键是搞清运算顺序,正确按运算顺序计算即可.
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