excel中如何制作加减乘除算术题

1、在A2中输入=RANDBETWEEN(1,100)&INDEX($G$2:铮喘饿怊$G$5,RANDBETWEEN(1,4))&RANDBETWEEN(1,100像粜杵泳)&"="

3、点击A2单元格，按住鼠标向右拖动，再往下拖动