(小六升中一)數學問題!
2010-08-26 7:02 pm
1. In Beijing, the temperature in the morning is 5℃.In the afternoon, the temperature rises by 2℃.At night, the temperature falls down to -10℃.Find the different between the temperatures in the afternoon and at night.
回答 (1)
2010-08-26 11:14 pm
✔ 最佳答案
first,the temperature in the afternoon is 7℃,because "rises by 2℃"that mean up 2℃
so,7℃ - -10℃ = 17℃
(we can count it:6 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10)
參考: me
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100826000051KK00484