Answers

Answers

C:-40°C
攝氏換華氏= -40×9/5+32=-40
華氏換攝氏=-40-32×5/9=-40

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假設攝氏為x度
x*(9/5)+32=x (即攝氏x度換算成華氏x度)
(4/5)x=-32
x=-40
答案為(C)

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