以在手机上输入该符号为例,可以先打开需要输入的界面。然后在出现的输入法中点击符号按钮,选择数学符号。在数学符号页面中可以看到该符号,点击该符号即可完成输入。具体的输入方法如下:
设备:OPPO手机a72;
操作系统:安卓12.1版本;
软件:手机自带输入法12.1.2.33版本以及微信8.0.31版本。
1、打开手机微信的聊天窗口进入。
![](https://iknow-pic.cdn.bcebos.com/9f2f070828381f30295df03fbb014c086f06f0e4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、在打开的页面点击输入法的符号按钮。
![](https://iknow-pic.cdn.bcebos.com/d6ca7bcb0a46f21f547023c5e4246b600d33aee4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、页面跳转以后选择数学符号进入。
![](https://iknow-pic.cdn.bcebos.com/b17eca8065380cd79e59df7bb344ad34588281e4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、在打开的数学符号中可以看到该勾号,点击符号。
![](https://iknow-pic.cdn.bcebos.com/48540923dd54564edb2299afa1de9c82d0584fe4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、此时即可看到已经在手机上完成了√符号的输入了。
![](https://iknow-pic.cdn.bcebos.com/71cf3bc79f3df8dcb97af207df11728b461028e4?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)