通分.78和1434和16124和13678和19.-数学

题目简介

通分.78和1434和16124和13678和19.-数学

题目详情

通分.
7
8
1
4

3
4
1
6

1
24
1
36

7
8
1
9
题型:解答题难度:中档来源:不详

答案

class="stub"7
8
class="stub"1
4

class="stub"1
4
=class="stub"1×2
4×2
=class="stub"2
8
,所以class="stub"7
8
class="stub"1
4
通分是class="stub"7
8
class="stub"2
8



class="stub"3
4
=class="stub"3×3
4×3
=class="stub"9
12
class="stub"1
6
=class="stub"1×2
6×2
=class="stub"2
12
,所以class="stub"3
4
class="stub"1
6
通分是class="stub"9
12
class="stub"2
12



class="stub"1
24
=class="stub"1×3
24×3
=class="stub"3
72
class="stub"1
36
=class="stub"1×2
36×2
=class="stub"2
72
,所以class="stub"1
24
class="stub"1
36
通分是class="stub"3
72
class="stub"2
72



class="stub"7
8
=class="stub"7×9
8×9
=class="stub"63
72
class="stub"1
9
=class="stub"1×8
9×8
=class="stub"8
72
,所以class="stub"7
8
class="stub"1
9
通分是class="stub"63
72
class="stub"8
72

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