比较二次根式的大小：-九年级数学

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• 化简：____________．-九年级数学
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• 计算：___________．-九年级数学
• 二次根式有意义时，的取值范围是（）．A．B．C．D．-九年级数学
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• （2011江苏泰州，9，3分）16的算术平方根是．-八年级数学
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• 的值为（）.A．2;B．-2;C．±2;D．-4.-九年级数学
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• .方程，当时，m的取值范围是（）A．B．C．D．-九年级数学
• .当时，化简：-九年级数学
• 探究题：先观察下列等式，再回答问题①；②；③；④小题1:你判断完以上各题之后，发现了什么规律？请用含有n的式子将规律表示出来，并注明n的取值范围小题2:请用数学知识说明你所写-九年级数学
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• 根式有意义的条件是_________________-九年级数学
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• 计算小题1:4小题2:-九年级数学
• 化简或计算：__________；=__-九年级数学
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• 下列根式中，是最简二次根式的是（）A．B．C．D．-九年级数学
• 若式子有意义，则x的取值范围是__________.-九年级数学
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• The train arrives in Liverpool at 10 p.m. tonight . The plane I would like to take from there ______
• 中自变量的取值范围是-九年级数学
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• 化简的结果为A．B．C．D．-八年级数学
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• 把根号外的因式适当变形后移到根号内，得（）A．B．C．D．-九年级数学
• （2011江苏南通，12，3分）计算：＝▲.-八年级数学