把下面各数通分.56和1415;23和1118;59和56;135和513.-五年级数学

题目简介

把下面各数通分.56和1415;23和1118;59和56;135和513.-五年级数学

题目详情

把下面各数通分.
5
6
14
15

2
3
11
18

5
9
5
6

13
5
5
13
题型:解答题难度:中档来源:不详

答案

class="stub"5
6
=class="stub"5×5
6×5
=class="stub"25
30

class="stub"14
15
=class="stub"14×2
15×2
=class="stub"28
30


class="stub"11
18

class="stub"2
3
=class="stub"2×6
3×6
=class="stub"12
18


class="stub"5
9
=class="stub"5×2
9×2
=class="stub"10
18

class="stub"5
6
=class="stub"5×3
6×3
=class="stub"15
18


class="stub"13
5
=class="stub"13×13
5×13
=class="stub"169
65

class="stub"5
13
=class="stub"5×5
13×5
=class="stub"25
65

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