计算:1+1/3+1/5+1/7+1/9+1/11.(结果用循环小数表示)
问题描述:
计算:1+
+1 3
+1 5
+1 7
+1 9
.(结果用循环小数表示) 1 11
答
1+
+1 3
+1 5
+1 7
+1 9
1 11
=1+0.333333…+0.2+0.143857…+0.111111…+0.090909…
=1.
79210• 5
• 3