问题已解决
30-400*(30/1200)=20,為什么我怎么算都是等于18呢,麻煩老師給我講解下我哪里出問題了。
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您好
30-400*(30/1200)=20
先算30除以1200 然后再用400乘以30除以1200的數(shù)據(jù) 然后30再減去
2022 05/19 12:10
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2022 05/19 12:12
我是按照老師得算法算的就是等于18的呀
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2022 05/19 12:12
30-400*0.03=18,是這樣嗎
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2022 05/19 12:26
30/1200=0.025
您算錯了吧 沒有0.03啊 是0.025啊
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