把下面各组分数通分.56和7859和56.-数学

题目简介

把下面各组分数通分.56和7859和56.-数学

题目详情

把下面各组分数通分.
5
6
7
8

5
9
5
6
题型:解答题难度:中档来源:不详

答案

class="stub"5
6
class="stub"7
8

class="stub"5
6
=class="stub"5×4
6×4
=class="stub"20
24

class="stub"7
8
=class="stub"7×3
8×3
=class="stub"21
24

class="stub"5
9
class="stub"5
6

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

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