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题目小明有一只温度计，虽然它的玻璃管内径和刻度都是均匀的，标度却不准确．它在冰水混合物中的读数是－０．７℃，在沸水中的读数是１０２．３℃（１）当它指示的气温是－６℃时，实际的温度是多少？（２）它在什么温度附近误差很小，可以当作刻度正确的温度计使用？（１９
The subject Xiaoming has a thermometer. Although its glass tube diameter and scale are uniform, the scale is inaccurate. Its reading in the ice-water mixture is -0.7°C and the reading in boiling water is 102.3°C (1) What is the actual temperature when it indicates a temperature of -6°C? (2) At what temperature does it have a small error and can be used as a calibrated thermometer? (19