用10以内的奇数可以组成若干个最简分数,这些最简分数的和是______.-数学

题目简介

用10以内的奇数可以组成若干个最简分数,这些最简分数的和是______.-数学

题目详情

用10以内的奇数可以组成若干个最简分数,这些最简分数的和是______.
题型:填空题难度:中档来源:不详

答案

10以内的奇数组成的最简分数有:class="stub"1
3
class="stub"1
5
class="stub"3
5
class="stub"1
7
class="stub"3
7
class="stub"5
7
class="stub"1
9
class="stub"5
9
class="stub"7
9
class="stub"3
1
class="stub"5
1
class="stub"5
3
class="stub"7
1
class="stub"7
3
class="stub"7
5
class="stub"9
1
class="stub"9
5
class="stub"9
7

它们的和是:class="stub"1
3
+class="stub"1
5
+class="stub"3
5
+class="stub"1
7
+class="stub"3
7
+class="stub"5
7
+class="stub"1
9
+class="stub"5
9
+class="stub"7
9
+class="stub"3
1
+class="stub"5
1
+class="stub"5
3
+class="stub"7
1
+class="stub"7
3
+class="stub"7
5
+class="stub"9
1
+class="stub"9
5
+class="stub"9
7

=class="stub"1
3
+class="stub"4
5
+class="stub"9
7
+class="stub"13
9
+3+5+class="stub"5
3
+7+class="stub"7
3
+class="stub"7
5
+9+class="stub"9
5
+class="stub"9
7

=29+2class="stub"4
7
+5class="stub"7
9

=36class="stub"22
63

故答案为:36class="stub"22
63

更多内容推荐