按照如下步驟操作：

1.開啟Excel，找到要運算的數字

https://iknow-pic.cdn.bcebos.com/5d6034a85edf8db1a230612a0423dd54564e7465

2.假設這些數字要整體減去1.6，在空白表格上寫上1.6

https://iknow-pic.cdn.bcebos.com/d009b3de9c82d158bfe444ff8d0a19d8bc3e421d

3.複製數字1.6 並對運算的數字全選，右擊滑鼠-選擇性貼上

https://iknow-pic.cdn.bcebos.com/faf2b2119313b07efb344d4601d7912396dd8cf6

https://iknow-pic.cdn.bcebos.com/728da9773912b31b6438d0678b18367adab4e12c

5.在下面，可以看到運算後的資料

https://iknow-pic.cdn.bcebos.com/c8177f3e6709c93df91a13b9923df8dcd0005497