+
=
+
+
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+
+
+
=
+
+
+
+
=
+
+
+
+
+________=________.

分析:由所给算式得出:前面分数的分子都是1,分母依次扩大2倍,得数的分母等于前面算式的最后一个分数的分母,分子比分母小1;据此解答即可.
解答:由分析得出:
+
=
+
+
=
+
+
+
=
+
+
+
+
=
+
+
+
+
+
=
.故答案为
,
.点评:解决本题的关键是根据算式找出规律,再根据规律解决问题.
编辑:chaxungu时间:2026-04-26 09:44:33分类:小学数学题库
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+
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+
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+________=________.

+
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+
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+
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.
,
.