手机计算器开根号,需要三个步骤:
打开手机的计算器
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9922720e0cf3d7caa35257dcfe1fbe096a63a9f0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
进入计算器的界面
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0bd162d9f2d3572caf16f4768613632763d0c3a0?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
把手机横过来,输入你要开平方根的数值,再点击开平方根按钮。
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/00e93901213fb80e6e73097d3ad12f2eb83894fd?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
拓展资料:
根号是一个数学符号。根号是用来表示对一个数或一个代数式进行开方运算的符号。若aⁿ=b,那么a是b开n次方的n次方根或a是b的1/n次方。开n次方手写体和印刷体用表示,被开方的数或代数式写在符号左方√ ̄的右边和符号上方一横部分的下方共同包围的区域中,而且不能出界。
计算公式:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f2deb48f8c5494eeda0464b321f5e0fe99257e71?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
成立条件:a≥0,n≥2且n∈N
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/e850352ac65c1038a413a568be119313b07e892f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
成立条件:a≥0, b≥0, n≥2且n∈N
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/f11f3a292df5e0feb73ee2ab506034a85edf7271?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
成立条件:a≥0,b>0,n≥2且n∈N
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/342ac65c1038534303a2ec8b9f13b07eca80882f?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
成立条件:a≥0,b>0,n≥2且n∈N