题目内容
把下面没有约成最简分数的约成最简分数.
=
=
=
=
=
.
| 54 |
| 72 |
| 3 |
| 4 |
| 25 |
| 175 |
| 5 |
| 35 |
| 36 |
| 54 |
| 12 |
| 27 |
| 27 |
| 45 |
| 9 |
| 15 |
| 24 |
| 80 |
| 6 |
| 20 |
分析:在分数中,分子与分母只有公因数1的分数为最简分数,据此解答即可.
解答:解:
=
=
;
=
=
;
=
=
;
=
=
.
| 25 |
| 175 |
| 5 |
| 35 |
| 1 |
| 7 |
| 36 |
| 54 |
| 12 |
| 27 |
| 4 |
| 9 |
| 27 |
| 45 |
| 9 |
| 15 |
| 3 |
| 5 |
| 24 |
| 80 |
| 6 |
| 20 |
| 3 |
| 10 |
点评:本题主要考查了学生约分的能力.注意最简分数的分子和分母只有公约数1.
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