这就是目标:
+------+---------------------+---------+---------------------+
| A | B | C | D |
+------+---------------------+---------+---------------------+
1 | Joe | 2016/04/01 00:00:00 | 15 | 2016/04/01 00:15:00 |
+------+---------------------+---------+---------------------+
2 | Rick | 2016/07/01 00:10:15 | -6 | 2016/07/01 00:04:15 |
+------+---------------------+---------+---------------------+
D1=B1+C1
如何将单元格定义为“分钟”或“小时”,而不是完整的“时间”或“日期”条目