三次方積已知 求該數 以筆算推理 (15039)

C3{=IFERROR(MATCH(RIGHT(B3),RIGHT(ROW($1:$9)^3),),)

C3另解=FIND(RIGHT(B3),"0187456329")-1

D3{=IFERROR(MATCH(B3,(ROW($1:$99)*10)^3)*10,0)

E3{=MATCH(B3,ROW($1:$999)^3,)