把下面各组分数通分.58和51249和5634、58和59.-数学

题目简介

把下面各组分数通分.58和51249和5634、58和59.-数学

题目详情

把下面各组分数通分.
5
8
5
12
4
9
5
6
3
4
5
8
5
9
题型:解答题难度:中档来源:不详

答案

(1)class="stub"5
8
=class="stub"5×3
8×3
=class="stub"15
24

class="stub"5
12
=class="stub"5×2
12×2
=class="stub"10
24


(2)class="stub"4
9
=class="stub"4×2
9×2
=class="stub"8
18

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


(3)class="stub"3
4
=class="stub"3×18
4×18
=class="stub"54
72

class="stub"5
8
=class="stub"5×9
8×9
=class="stub"45
72

class="stub"5
9
=class="stub"5×8
9×8
=class="stub"40
72

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