题目内容
10
×
+
×
.
| 8 |
| 9 |
| 5 |
| 11 |
| 3 |
| 11 |
| 5 |
| 27 |
分析:
×
=
×
,然后再根据乘法分配律进行简算.
| 3 |
| 11 |
| 5 |
| 27 |
| 5 |
| 11 |
| 3 |
| 27 |
解答:解:
10
×
+
×
,
=10
×
+
×
,
=10
×
+
×
,
=(10
+
)×
,
=11×
,
=5.
10
| 8 |
| 9 |
| 5 |
| 11 |
| 3 |
| 11 |
| 5 |
| 27 |
=10
| 8 |
| 9 |
| 5 |
| 11 |
| 5 |
| 11 |
| 3 |
| 27 |
=10
| 8 |
| 9 |
| 5 |
| 11 |
| 5 |
| 11 |
| 1 |
| 9 |
=(10
| 8 |
| 9 |
| 1 |
| 9 |
| 5 |
| 11 |
=11×
| 5 |
| 11 |
=5.
点评:此题主要考查了乘法分配律的灵活运用,然后再进一步计算.
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