一个容器装有1升水，按照如下要求把水倒出：第1次倒出12升水，第2次倒出水量是12升的13，第3次倒出水量是13升的14，第4次倒出水量是14升的15…第n次倒出水量是1n升的1n+1…按照-数学

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