移动日期计算某一天的数

FIRSTDATE+DATEADD

a:=
var d=CALCULATETABLE(FIRSTDATE(DATEADD('D_Date'[Date],SELECTEDVALUE('D_Launch_Days'[Value])-1,DAY)),ALL('D_Date'),ALL('T_Slicer'[Slicer Text]))

return 
CALCULATE([LaunchDX_Actual],'D_Date'[Date]=d)

直接相加法

b:=
var d=CALCULATE(MIN('D_Product'[sos_date]))+SELECTEDVALUE('D_Launch_Days'[Value])
return 
CALCULATE([LaunchDX_Actual],'D_Date'[Date]=d,ALL('D_Date'),ALL('T_Slicer'[Slicer Text]))