化简：-九年级数学

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• 化简．（a＞0）-九年级数学
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• 化简．-九年级数学
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• 36的算术平方根是；－27的立方根是．-八年级数学
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• ____ a few things you’d like for Christmas and I will go shopping now.A．TalkB．NameC．CallD．Speak-高一英语
• -九年级数学
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