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数学
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9999*3333+2222*3334简便运算
人气:388 ℃ 时间:2020-02-24 20:00:10
解答
9999×3333+2222×3334
=1111×29997+1111×6668
=1111×(29997+6668)
=1111×36665
=40734815
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