计算:1+12+13+16+112+124.-数学

题目简介

计算:1+12+13+16+112+124.-数学

题目详情

计算:1+
1
2
+
1
3
+
1
6
+
1
12
+
1
24
题型:解答题难度:中档来源:不详

答案

1+class="stub"1
2
+class="stub"1
3
+class="stub"1
6
+class="stub"1
12
+class="stub"1
24

=1+class="stub"1
2
+class="stub"1
3
+class="stub"1
3
-class="stub"1
6
+class="stub"1
6
-class="stub"1
12
+class="stub"1
12
-class="stub"1
24

=1+class="stub"1
2
+class="stub"2
3
-class="stub"1
24

=1+class="stub"12
24
+class="stub"16
24
-class="stub"1
24

=2class="stub"1
8

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