Maths!!!
回答 (2)
2007-09-06 1:09 am
✔ 最佳答案
the room temperature is positive.因為零度係zero,
所以零下3度應為 -3 ℃
而21度當然就是+21℃
2007-09-05 11:47 pm
1.The room temperature is 21℃.The room temperature is 正數.
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