Maths!!!

🎓 學業台小學及中學教育

2007-09-05 11:44 pm

1.The room temperature is 21℃.The room temperature is ? .(正/負數)

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℃

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2007-09-05 11:47 pm

1.The room temperature is 21℃.The room temperature is 正數.

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