Traditional Culture Encyclopedia - Weather inquiry - On December 24, 2011, CCTV weather forecast stated that the lowest temperature in Beijing on the 25th was -7°C and the lowest temperature in Chengdu was 6°C. On the 25th, the lowest temperature in Che

On December 24, 2011, CCTV weather forecast stated that the lowest temperature in Beijing on the 25th was -7°C and the lowest temperature in Chengdu was 6°C. On the 25th, the lowest temperature in Che

On December 24, 2011, CCTV weather forecast stated that the lowest temperature in Beijing on the 25th was -7°C and the lowest temperature in Chengdu was 6°C. On the 25th, the lowest temperature in Chengdu

13

Test question analysis: First list the formula according to the meaning of the question, and then calculate according to the subtraction rule of rational numbers.

According to the question,

The lowest temperature in Chengdu on the 25th was 13 degrees higher than the lowest temperature in Beijing.

Comment: The key to answering this question is to master the subtraction rule of rational numbers: subtracting a number is equal to adding the opposite of the number.