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１９９９年全国初中物理知识竞赛复赛试题第四大题的原题内容如下： 小红做实验时发现一支温度计不准确．把它和标准温度计一同插入水中，发现当实际温度为２℃时，它的示数是 ４℃ ，８２℃时的示数是 ８０℃ ．仔细观察，它的刻度是均匀的． （１）请以ｘ表示任意温度时这支
The contents of the fourth topic of the 1999 national junior high school physics knowledge contest rematch test question are as follows: Xiao Hong discovered that a thermometer was inaccurate during the experiment. It was inserted into the water with a standard thermometer. It was found that when the actual temperature was 2°C, the number was 4°C, and that at 82°C was 80°C. Carefully observe that its scale is uniform. (1) Please use x to indicate any temperature.