把下面的分数化成分母是36,而大小不变的分数.49=512=56=672=718=28144=-数学

题目简介

把下面的分数化成分母是36,而大小不变的分数.49=512=56=672=718=28144=-数学

题目详情

把下面的分数化成分母是36,而大小不变的分数.
4
9
=
5
12
=
5
6
=
6
72
=
7
18
=
28
144
=
题型:解答题难度:中档来源:不详

答案

class="stub"4
9
=class="stub"4×4
9×4
=class="stub"16
36

class="stub"5
12
=class="stub"5×3
12×3
=class="stub"15
36

class="stub"5
6
=class="stub"5×6
6×6
=class="stub"30
36

class="stub"6
72
=class="stub"6÷2
72÷2
=class="stub"3
36

class="stub"7
18
=class="stub"7×2
18×2
=class="stub"14
36

class="stub"28
144
=class="stub"28÷4
144÷4
=class="stub"7
36

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