题目内容
直接写出答案:
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15÷
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分析:我们运用分数的四则运算的计算法则进行计算,最终的计算结果是最简分数,注意分数的约分及化简.
解答:解:
×6=4,
÷
=1
,
÷
=
,
-
=
,
+
=
,
÷
=
,
×
=
,
15÷
=20,
×
=
,
÷
×0=0.
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 2 |
| 1 |
| 3 |
| 5 |
| 6 |
| 1 |
| 3 |
| 1 |
| 2 |
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 2 |
| 1 |
| 6 |
15÷
| 3 |
| 4 |
| 13 |
| 27 |
| 17 |
| 26 |
| 17 |
| 54 |
| 4 |
| 9 |
| 3 |
| 4 |
点评:本题是关于分数的加减乘除的计算,考查了学生对分数四则运算的掌握情况.
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