题目内容
计算.
÷
÷
;
÷
×
;
×
÷
.
| 9 |
| 10 |
| 3 |
| 54 |
| 1 |
| 4 |
| 2 |
| 3 |
| 15 |
| 28 |
| 5 |
| 7 |
| 7 |
| 13 |
| 1 |
| 6 |
| 7 |
| 24 |
考点:分数的四则混合运算
专题:运算顺序及法则
分析:本题根据分数乘法与除法的运算法则按从左到右的顺序计算即可.
解答:
解:
÷
÷
=
÷
=
;
÷
×
=
×
=
;
×
÷
=
÷
=
.
| 9 |
| 10 |
| 3 |
| 54 |
| 1 |
| 4 |
=
| 81 |
| 5 |
| 1 |
| 4 |
=
| 324 |
| 5 |
| 2 |
| 3 |
| 15 |
| 28 |
| 5 |
| 7 |
=
| 56 |
| 45 |
| 5 |
| 7 |
=
| 8 |
| 9 |
| 7 |
| 13 |
| 1 |
| 6 |
| 7 |
| 24 |
=
| 7 |
| 78 |
| 7 |
| 24 |
=
| 4 |
| 13 |
点评:完成本题要细心,注意约分.
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