题目内容
| 把带分数化成假分数. 2
|
3
|
1
|
4
|
分析:把带分数化成假分数,原分母不变,把整数和分母相乘的积加上原来分子做分子;据此进行转化.
解答:解:2
=
=
;
3
=
=
;
1
=
=
;
4
=
=
.
| 3 |
| 4 |
| 2×4+3 |
| 4 |
| 11 |
| 4 |
3
| 5 |
| 3 |
| 3×3+5 |
| 3 |
| 14 |
| 3 |
1
| 1 |
| 2 |
| 1×2+1 |
| 2 |
| 3 |
| 2 |
4
| 4 |
| 5 |
| 4×5+4 |
| 5 |
| 24 |
| 5 |
点评:此题考查带分数化假分数方法的灵活运用.
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