963915721135453857.-数学

题目简介

963915721135453857.-数学

题目详情

9
6
39
15
7
21
135
45
38
57
题型:解答题难度:中档来源:不详

答案

class="stub"9
6
=class="stub"9÷3
6÷3
=class="stub"3
2
=1class="stub"1
2

class="stub"39
15
=class="stub"39÷3
15÷3
=class="stub"13
5
=2class="stub"3
5

class="stub"7
21
=class="stub"7÷7
21÷7
=class="stub"1
3

class="stub"135
45
=class="stub"135÷45
45÷45
=class="stub"3
1
=3;
class="stub"38
57
=class="stub"38÷19
57÷19
=class="stub"2
3

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