题目内容
| 怎样算简便怎样算. (
|
17×
|
分析:运用乘法分配律解答.
解答:解:(
+
)×32,
=
×32+
×32,
=24+20,
=44;
17×
,
=16×
+1×
,
=9+
,
=9
.
| 3 |
| 4 |
| 5 |
| 8 |
=
| 3 |
| 4 |
| 5 |
| 8 |
=24+20,
=44;
17×
| 9 |
| 16 |
=16×
| 9 |
| 16 |
| 9 |
| 16 |
=9+
| 9 |
| 16 |
=9
| 9 |
| 16 |
点评:正确运用乘法分配律进行简便计算时本题考查知识点.
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