题目内容
| 4 |
| 25 |
| 4 |
| 25 |
| 4 |
| 5 |
| 1 |
| 7 |
分析:(1)可将式中
×101据分配律拆分为
×100+
进行简算;
(2)可直接适用分配律进行简算.
| 4 |
| 25 |
| 4 |
| 25 |
| 4 |
| 25 |
(2)可直接适用分配律进行简算.
解答:解:(1)
×101-
=
×100+
-
,
=16;
(2)(
-
)×35
=
×35-
×35,
=28-5,
=23.
| 4 |
| 25 |
| 4 |
| 25 |
=
| 4 |
| 25 |
| 4 |
| 25 |
| 4 |
| 25 |
=16;
(2)(
| 4 |
| 5 |
| 1 |
| 7 |
=
| 4 |
| 5 |
| 1 |
| 7 |
=28-5,
=23.
点评:本题考查了学生运用分配律解决有关于分数计算题目的能力.
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