题目内容
把下面的带分数化成假分数.
3
| 2
| 4
| 1
| 5
| 6
|
考点:整数、假分数和带分数的互化
专题:运算顺序及法则
分析:带分数化成假分数的方法:分母不变,把整数和分母相乘的积加上原来分子做分子;据此转化得解.
解答:
解:3
=
=
;
2
=
=
;
4
=
=
;
1
=
=
;
5
=
=
;
6
=
=
.
| 1 |
| 3 |
| 3×3+1 |
| 3 |
| 10 |
| 3 |
2
| 3 |
| 5 |
| 2×5+3 |
| 5 |
| 13 |
| 5 |
4
| 5 |
| 6 |
| 4×6+5 |
| 6 |
| 29 |
| 6 |
1
| 7 |
| 9 |
| 1×9+7 |
| 9 |
| 16 |
| 9 |
5
| 1 |
| 4 |
| 5×4+1 |
| 4 |
| 21 |
| 4 |
6
| 2 |
| 7 |
| 6×7+2 |
| 7 |
| 44 |
| 7 |
点评:此题考查带分数化假分数方法的灵活运用.
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