問(wèn)題已解決
請(qǐng)問(wèn)老師為什么我算不出0.0006這個(gè)數(shù)?我只能算得0.00012,請(qǐng)問(wèn)0.0006是怎么算出來(lái)的?
![](https://member.chinaacc.com/homes/resources/images/home/avatar/0.jpg)
![](/wenda/_nuxt/img/iconWarn.60bd4fe.jpg)
![](https://pic1.acc5.cn/011/91/71/85_avatar_middle.jpg?t=1651216838)
您好,根據(jù)您的題目,(0.4*0.03*0.03+0.6*0.02*0.02)^1/2
2022 05/06 22:47
![](http://member.chinaacc.com/homes/resources/images/home/avatar/0.jpg)
84785020 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
![](/wenda/_nuxt/img/reply1.d92ea43.png)
2022 05/06 22:57
^1/2是什么意思?
![](http://member.chinaacc.com/homes/resources/images/home/avatar/0.jpg)
84785020 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
![](/wenda/_nuxt/img/reply1.d92ea43.png)
2022 05/06 23:00
為什么不是這樣呢?(0.4*0.03*0.03-0.6*0.02*0.02)=0.00012
![](https://pic1.acc5.cn/011/91/71/85_avatar_middle.jpg?t=1651216838)
小林老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
![](/wenda/_nuxt/img/reply2.28c7604.png)
2022 05/06 23:12
您好,是進(jìn)行開(kāi)根號(hào)
![](https://pic1.acc5.cn/011/91/71/85_avatar_middle.jpg?t=1651216838)
小林老師 ![](/wenda/_nuxt/img/reply2.28c7604.png)
![](/wenda/_nuxt/img/reply2.28c7604.png)
2022 05/06 23:12
您好,圖片之間是+的
![](/wenda/img/newWd/sysp_btn_eye.png)