if函数,有的有效,有的无效,函数问题?IF(K3 = "提前完成" && F3 = "AA级",3,if(K3 = "提前完成" && F3 = "A级",2,if(K3 = "提前完成" && F3 = "B级",1,if(K3 = "提前完成" && F3 = "C级",1,IF(K3 = "超期完成" && F3 = "AA级",-3,IF(K3 = "超期完成" && F3 = "A级",-2,IF(K3 = "超期完成" && F3 = "B级",-1,IF(K3 = "超期完成" && F3 = "C级",-1,IF(K3 = "超期进行中" && F3 = "AA级",-3,IF(K3 = "超期进行中" && F3 = "A级",-2,IF(K3 = "超期进行中" && F3 = "B级",-1,IF(K3 = "超期进行中" && F3 = "C级",-1,0))))))))))))下面红色逻辑分数是对的,蓝色就不对了