日常生活中，下列估测接近实际的是:A.一般洗澡水的温度约为70℃; �

日常生活中，下列估测接近实际的是:

A.一般洗澡水的温度约为70℃; B.写字台台面的面积约为200cm2;

C.家用白炽灯的功率约为1000W;　 D.一个鸡蛋的质量约为50g.

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日常生活中，下列估测接近实际的是:A.一般洗澡水的温度约为70℃; �

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