题目内容
约分:
|
|
|
|
|
考点:约分和通分
专题:运算顺序及法则
分析:分数的约分,要先找出分子、分母的最大公约数,再进行约分.
解答:
解:
=
=
=1
;
=
=
;
=
=
=1
;
=
=
;
=
=
.
| 45 |
| 25 |
| 45÷5 |
| 25÷5 |
| 9 |
| 5 |
| 4 |
| 5 |
| 26 |
| 65 |
| 26÷13 |
| 65÷13 |
| 2 |
| 5 |
| 51 |
| 34 |
| 51÷17 |
| 34÷17 |
| 3 |
| 2 |
| 1 |
| 2 |
| 49 |
| 91 |
| 49÷7 |
| 91÷7 |
| 7 |
| 13 |
| 49 |
| 112 |
| 49÷7 |
| 112÷7 |
| 7 |
| 16 |
点评:本题考查分数的约分,关键是找出分子分母的最大公约数.
练习册系列答案
相关题目