Traditional Culture Encyclopedia - Weather forecast - In order to know the weather changes in a week, a meteorologist measured the temperature in a week. The following table shows the temperature changes in a week.

In order to know the weather changes in a week, a meteorologist measured the temperature in a week. The following table shows the temperature changes in a week.

Solution: 2+(-1)+(-2)+4+(-2.5)+1+0.5 = 2 (℃).

The temperature has risen by 2 degrees Celsius this week.