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数学
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999又8/9+99又8/9加9又8/9加1/3简便运算
人气：159 ℃ 时间：2020-03-28 08:02:13
解答
999又8/9+99又8/9加9又8/9加1/3
=1000-1/9+100-1/9+10-1/9+1/3
=1110-1/3+1/3
=1110
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