计算：＝▲．-九年级数学

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• -九年级数学
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• 下列运算正确的是A．B．C．D．-九年级数学
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• 计算：-八年级数学
• 为任何实数，则的最小值是__________。-八年级数学
• （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，
• 下列计算正确的是（）A．2+3=5B．33-3=2C．22+2=32D．4-2=2-数学
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• 计算：=-八年级数学
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• 已知，则x等于（）A．4B．±2C．2D．±4-九年级数学
• 当满足*时，有意义．-九年级数学
• 计算：-九年级数学
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• 函数中自变量x的取值范围为▲．-九年级数学
• 如果，则（）A．a＜B．a≤C．a＞D．a≥-八年级数学
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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
• 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
• ．计算与化简（本题满分8分，每小题4分）⑴⑵-九年级数学
• The manager was worried about the press conference his assistant ______ in his place but luckily, ev
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• 如图5，数轴上表示1、的对应点分别为A、B，点B关于点A的对称点为C，则点C所表示的数是。-九年级数学
• 计算-八年级数学
• 9的算术平方根是A．－9B．9C．3D．±3-九年级数学
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