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为任何实数,则的最小值是__________。-八年级数学
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(1)阅读理解先观察和计算,并用“>”、“<”、“≥”、“≤”、“=”填空:4+92,4+42,2+32。请猜想:当则。如∵展开∴6+5。请你给出猜想的一个相仿的说明过程。(2)知识应用①如图⊙O中,
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当满足*时,有意义.-九年级数学
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请写出一个大于3且小于4的无理数:.-九年级数学
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如图所示:数轴上点A所表示的数为a,则a的值是.-八年级数学
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.计算与化简(本题满分8分,每小题4分)⑴⑵-九年级数学
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The manager was worried about the press conference his assistant ______ in his place but luckily, ev
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计算-九年级数学
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