题目内容
我会用简便方法计算．
36
×
．
36
| 1 |
| 5 |
| 5 |
| 6 |
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 |
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