Excel2007函数与公式求解.以下3个公式谁能帮我解释解释?1 =IF(ISNA(VLOOKUP(F:F,成品料号对照表!A:B,2,)),"",VLOOKUP(F:F,成品料号对照表!A:B,2,))2 =IF(ISBLANK(C3),"",IF(ISBLANK(K3),"请输单价",K3*I3))3 =IF(ISBLANK(O3),IF(ISBLANK(N3),"",IF((N3-TODAY())
问题描述:
Excel2007函数与公式求解.以下3个公式谁能帮我解释解释?
1 =IF(ISNA(VLOOKUP(F:F,成品料号对照表!A:B,2,)),"",VLOOKUP(F:F,成品料号对照表!A:B,2,))
2 =IF(ISBLANK(C3),"",IF(ISBLANK(K3),"请输单价",K3*I3))
3 =IF(ISBLANK(O3),IF(ISBLANK(N3),"",IF((N3-TODAY())
答