求 3餘數 數字間有空格 (10478)

C2=MID(TEXT(SUM(IFERROR(MOD(MID(B2,ROW($1:$9)*2-1,1),3),)*10^-ROW($1:$9)),"0."&REPT(" 0",LEN(B2)-LEN(SUBSTITUTE(B2," ",))+1)),4,99)