11+12+13+14+15=______.-数学

题目简介

11+12+13+14+15=______.-数学

题目详情

1
1+
1
2+
1
3+
1
4+
1
5
=______.
题型:解答题难度:中档来源:不详

答案

class="stub"1
1+class="stub"1
2+class="stub"1
3+class="stub"1
4+class="stub"1
5

=class="stub"1
1+class="stub"1
2+class="stub"1
3+class="stub"1
class="stub"21
5

=class="stub"1
1+class="stub"1
2+class="stub"1
3+class="stub"5
21

=class="stub"1
1+class="stub"1
2+class="stub"1
class="stub"68
21

=class="stub"1
1+class="stub"1
2+class="stub"21
68

=class="stub"1
1+class="stub"1
class="stub"157
68

=class="stub"1
1+class="stub"68
157

=class="stub"1
class="stub"225
157

=class="stub"157
225

故答案为:class="stub"157
225

更多内容推荐