题目内容
(
+
)×11+8÷13.
| 5 |
| 11 |
| 4 |
| 13 |
分析:两次运用乘法分配律进行简算.
解答:解:
(
+
)×11+8÷13,
=
×11+
×11+8×
,
=5+
×11+2×
,
=5+
×(11+2),
=5+
×13,
=5+4,
=9.
(
| 5 |
| 11 |
| 4 |
| 13 |
=
| 5 |
| 11 |
| 4 |
| 13 |
| 1 |
| 13 |
=5+
| 4 |
| 13 |
| 4 |
| 13 |
=5+
| 4 |
| 13 |
=5+
| 4 |
| 13 |
=5+4,
=9.
点评:考查了乘法分配律的灵活运用,然后再根据题意进一步解答.
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