题目内容
我会用简便方法计算.
36
×
.
36
| 1 |
| 5 |
| 5 |
| 6 |
分析:把带分数拆成“整数+分数”的形式,运用乘法分配律简算.
解答:解:36
×
,
=(36+
)×
,
=36×
+
×
,
=30+
,
=30
.
| 1 |
| 5 |
| 5 |
| 6 |
=(36+
| 1 |
| 5 |
| 5 |
| 6 |
=36×
| 5 |
| 6 |
| 1 |
| 5 |
| 5 |
| 6 |
=30+
| 1 |
| 6 |
=30
| 1 |
| 6 |
点评:通过数字拆分,运用所学知识,灵活简算.
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