問題已解決
老師答案是0.91,我算的不對不知道問題出在哪里了
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![](https://pic1.acc5.cn/012/66/77/87_avatar_middle.jpg?t=1714288750)
你好,你后面那里算錯了,(-5%-12%)的平方*0.2=0.00578.
結(jié)果是0.0091
2022 06/10 16:32
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84784981 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
![](/wenda/_nuxt/img/reply1.d92ea43.png)
2022 06/10 16:34
-5%-12%為啥不是0.07
![](https://pic1.acc5.cn/012/66/77/87_avatar_middle.jpg?t=1714288750)
張壹老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
![](/wenda/_nuxt/img/reply2.28c7604.png)
2022 06/10 16:34
你好,這個算出來是-0.17
![](http://member.chinaacc.com/homes/resources/images/home/avatar/1.jpg)
84784981 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
![](/wenda/_nuxt/img/reply1.d92ea43.png)
2022 06/10 16:35
是加法不是減法嗎老師,,為啥
![](https://pic1.acc5.cn/012/66/77/87_avatar_middle.jpg?t=1714288750)
張壹老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
![](/wenda/_nuxt/img/reply2.28c7604.png)
2022 06/10 16:38
你好,你這個是二個負數(shù)啊,算出來就是負數(shù)哈
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