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学习了有理数及其运算后,你知道这些知识在实际生活中的应用吗?黄老师对此问题有较深的体会,让我们一起走进他的课堂吧.一、正数和负数知识在实际生活中的应用例1一种药品的说明书上标明保存该药的适宜温度是(25±2)℃,小明买了一盒这种药品.经测量,小明家客厅的温度是28℃,卧室的温度是26℃.小明将这种药品放在客厅的桌子上合适,还是放在卧室合适?请说明理由.
After learning rational numbers and their operations, do you know the application of these knowledge in real life? Huang has a deeper understanding of this issue, let us go into his class together. First, positive and negative knowledge in the actual Application examples in life 1 A prescription for the medicine indicates that the proper temperature for preserving the medicine is (25 ± 2) ° C, and Xiaoming bought a box of this medicine. The measured temperature of Xiaoming’s living room is 28 ° C The temperature is 26 ℃. Xiao Ming this medicine on the living room table suitable, or placed in the bedroom suitable? Please explain the reasons.