أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
let me give you some ways we can do this.
1)
Sheet1!A3=Sheet3!A3+Sheet3!A3
2) if the two sheets next to each other I mean (sheet2 and sheet3)
Sheet1!A3=Sum(Sheet2:Sheet3!A3)
see!!! :)
