13+34+25+57+78+920+1021+1124+1935.-数学

题目简介

13+34+25+57+78+920+1021+1124+1935.-数学

题目详情

1
3
+
3
4
+
2
5
+
5
7
+
7
8
+
9
20
+
10
21
+
11
24
+
19
35
题型:解答题难度:中档来源:不详

答案

class="stub"1
3
+class="stub"3
4
+class="stub"2
5
+class="stub"5
7
+class="stub"7
8
+class="stub"9
20
+class="stub"10
21
+class="stub"11
24
+class="stub"19
35

=class="stub"1
3
+class="stub"3
4
+class="stub"2
5
+class="stub"5
7
+class="stub"7
8
+class="stub"1
4
+class="stub"1
5
+class="stub"1
3
+class="stub"1
7
+class="stub"1
3
+class="stub"1
8
+class="stub"14
35
+class="stub"5
35

=class="stub"1
3
+class="stub"3
4
+class="stub"2
5
+class="stub"5
7
+class="stub"7
8
+class="stub"1
4
+class="stub"1
5
+class="stub"1
3
+class="stub"1
7
+class="stub"1
3
+class="stub"1
8
+class="stub"2
5
+class="stub"1
7

=(class="stub"1
3
+class="stub"1
3
+class="stub"1
3
)+(class="stub"3
4
+class="stub"1
4
)+(class="stub"2
5
+class="stub"1
5
+class="stub"2
5
)+(class="stub"5
7
+class="stub"1
7
+class="stub"1
7
)+(class="stub"7
8
+class="stub"1
8
),
=1+1+1+1+1,
=5.

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