下面引用由八路军参谋长在 2007/05/02 10:27am 发表的内容：
你帮我改一下，目标是结果为“0”时也为空。我不会修改。
1、关于公式“if(-<0,"",-)”，如果缺签天数等于“0”的情况下，结果也显示为空，公式应该怎样完善？
2、同上，如果迟到天数等于“0”的情 ...
1、if([应签天数]-[实签天数]<=0,"",[应签天数]-[实签天数])
2、if([a]=-1,"",if((Len(Concat([签到明细_26],[签到明细_27],[签到明细_28],[签到明细_29],[签到明细_30],[签到明细_31],[签到明细_1],[签到明细_2],[签到明细_3],[签到明细_4],[签到明细_5],[签到明细_6],[签到明细_7],[签到明细_8],[签到明细_9],[签到明细_10],[签到明细_11],[签到明细_12],[签到明细_13],[签到明细_14],[签到明细_15],[签到明细_16],[签到明细_17],[签到明细_18],[签到明细_19],[签到明细_20],[签到明细_21],[签到明细_22],[签到明细_23],[签到明细_24],[签到明细_25]))-Len(Substitute(Concat([签到明细_26],[签到明细_27],[签到明细_28],[签到明细_29],[签到明细_30],[签到明细_31],[签到明细_1],[签到明细_2],[签到明细_3],[签到明细_4],[签到明细_5],[签到明细_6],[签到明细_7],[签到明细_8],[签到明细_9],[签到明细_10],[签到明细_11],[签到明细_12],[签到明细_13],[签到明细_14],[签到明细_15],[签到明细_16],[签到明细_17],[签到明细_18],[签到明细_19],[签到明细_20],[签到明细_21],[签到明细_22],[签到明细_23],[签到明细_24],[签到明细_25]),"△","")))/2=0,"",(Len(Concat([签到明细_26],[签到明细_27],[签到明细_28],[签到明细_29],[签到明细_30],[签到明细_31],[签到明细_1],[签到明细_2],[签到明细_3],[签到明细_4],[签到明细_5],[签到明细_6],[签到明细_7],[签到明细_8],[签到明细_9],[签到明细_10],[签到明细_11],[签到明细_12],[签到明细_13],[签到明细_14],[签到明细_15],[签到明细_16],[签到明细_17],[签到明细_18],[签到明细_19],[签到明细_20],[签到明细_21],[签到明细_22],[签到明细_23],[签到明细_24],[签到明细_25]))-Len(Substitute(Concat([签到明细_26],[签到明细_27],[签到明细_28],[签到明细_29],[签到明细_30],[签到明细_31],[签到明细_1],[签到明细_2],[签到明细_3],[签到明细_4],[签到明细_5],[签到明细_6],[签到明细_7],[签到明细_8],[签到明细_9],[签到明细_10],[签到明细_11],[签到明细_12],[签到明细_13],[签到明细_14],[签到明细_15],[签到明细_16],[签到明细_17],[签到明细_18],[签到明细_19],[签到明细_20],[签到明细_21],[签到明细_22],[签到明细_23],[签到明细_24],[签到明细_25]),"△","")))/2))
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