问题已解决
老师,可以帮我列一下过程吗?解方程的过程,@廖君老师
![](https://member.chinaacc.com/homes/resources/images/home/avatar/7.jpg)
![](/wenda/_nuxt/img/iconWarn.60bd4fe.jpg)
![](https://pic1.acc5.cn/016/37/51/99_avatar_middle.jpg?t=1714031960)
朋友您好,稍等我写在纸上发上来
2024 08/19 21:31
![](https://pic1.acc5.cn/016/37/51/99_avatar_middle.jpg?t=1714031960)
廖君老师 ![](/wenda/_nuxt/img/reply2.28c7604.png)
![](/wenda/_nuxt/img/reply2.28c7604.png)
2024 08/19 21:42
朋友您好,下图能看清楚么
![](https://member.chinaacc.com/homes/resources/images/home/avatar/7.jpg)
84784977 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
![](/wenda/_nuxt/img/reply1.d92ea43.png)
2024 08/20 12:02
老师看一下图片,我不明白这一步
![](https://pic1.acc5.cn/016/37/51/99_avatar_middle.jpg?t=1714031960)
廖君老师 ![](/wenda/_nuxt/img/reply2.28c7604.png)
![](/wenda/_nuxt/img/reply2.28c7604.png)
2024 08/20 12:03
您好,因为15X-4200是分母,这是一个整体呀,交叉相乘
![](https://member.chinaacc.com/homes/resources/images/home/avatar/7.jpg)
84784977 ![](/wenda/_nuxt/img/reply1.d92ea43.png)
![](/wenda/_nuxt/img/reply1.d92ea43.png)
2024 08/20 12:24
我明白了分母是我没有带上括号
![](https://pic1.acc5.cn/016/37/51/99_avatar_middle.jpg?t=1714031960)
廖君老师 ![](/wenda/_nuxt/img/reply2.28c7604.png)
![](/wenda/_nuxt/img/reply2.28c7604.png)
2024 08/20 12:26
哦哦,以后咱就不会忘记啦,祝朋友高分通过考试~