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计算:2a3ab2-b227a3+3ab13a(b>0)-数学
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(2011•宁夏)数轴上A、B两点对应的实数分别是和2,若点A关于点B的对称点为点C,则点C所对应的实数为.-八年级数学
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若则.-九年级数学
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-八年级数学
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(11·十堰)计算:-2-1+︱-1︱.-八年级数学
题目简介
计算:.-八年级数学
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答案
由二次根号下