第一题:=VLOOKUP("2010-1-1"-B10,{0,10;365,12;730,15;3650,20},2)<br/>第二题:=SUM(INT((WEEKDAY(DATE(B20,C20,D20)-{6,7},2)+DATE(B23,C23,D23)-DATE(B20,C20,D20))/7))<br/>第三题:=IF(FIND(B28,"鼠牛虎兔龙蛇马羊猴鸡狗猪")*1+2007<YEAR(NOW()),FIND(B28,"鼠牛虎兔龙蛇马羊猴鸡狗猪")*1+2019,FIND(B28,"鼠牛虎兔龙蛇马羊猴鸡狗猪")*1+2007) |