首页 > 化简下列各分数．39=1218=2135=1520=3045=2898=-数学

化简下列各分数．39=1218=2135=1520=3045=2898=-数学

题目简介

化简下列各分数．39=1218=2135=1520=3045=2898=-数学

题目详情

化简下列各分数．
3
9
=
12
18
=
21
35
=
15
20
=
30
45
=
28
98
=
题型：解答题难度：中档来源：不详

答案

class="stub"3
9
=class="stub"3÷3
9÷3
=class="stub"1
3
；                   class="stub"12
18
=class="stub"12÷6
18÷6
=class="stub"2
3
；                    class="stub"21
35
=class="stub"21÷7
35÷7
=class="stub"3
5
；

class="stub"15
20
=class="stub"15÷5
20÷5
=class="stub"3
4
；                    class="stub"30
45
=class="stub"30÷15
45÷15
=class="stub"2
3
；                   class="stub"28
98
=class="stub"28÷14
98÷14
=class="stub"2
7
．

更多内容推荐

Copyright © 2018-2020 360优课网