题目内容
(
+
)×
+
= .
| 24 |
| 10 |
| 16 |
| 17 |
| 1 |
| 8 |
| 15 |
| 17 |
分析:通过观察,先运用乘法分配律简算,然后运用加法结合律简算.
解答:解:(
+
)×
+
=
×
+
×
+
=
+
+
=
+(
+
)
=
+1
=1
故答案为:1
.
| 24 |
| 10 |
| 16 |
| 17 |
| 1 |
| 8 |
| 15 |
| 17 |
=
| 24 |
| 10 |
| 1 |
| 8 |
| 16 |
| 17 |
| 1 |
| 8 |
| 15 |
| 17 |
=
| 3 |
| 10 |
| 2 |
| 17 |
| 15 |
| 17 |
=
| 3 |
| 10 |
| 2 |
| 17 |
| 15 |
| 17 |
=
| 3 |
| 10 |
=1
| 3 |
| 10 |
故答案为:1
| 3 |
| 10 |
点评:注意分析数据,运用合适的简便方法进行计算.
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