✔ 最佳答案
1. select all the cells
2. under Format-->Conditional Formatting
3. under Condition 1, set ( Cell Value Is) ( less than or equal to ) ( 5 )
4. click the Format tab, click patterns, choose Red box, then press OK, OK.
2008-08-19 15:01:53 補充:
Very sorry, I use English version. I try to explain.
4. click 格式, click patterns(式樣, 模式, 圖案), 選紅色, then press 確定兩次.