Traditional Culture Encyclopedia - Weather inquiry - What is the temperature difference between the highest temperature of 28℃ and the lowest temperature of 2 1℃ in Harbin?

What is the temperature difference between the highest temperature of 28℃ and the lowest temperature of 2 1℃ in Harbin?

The highest temperature in Harbin is 28℃, and the lowest temperature is 2 1℃. What's the temperature difference this day?

The temperature difference is equal to the highest temperature minus the lowest temperature, so

28-2 1=7(℃)

A: The temperature difference on this day is 7 degrees Celsius.