B1=LEFT(A1,FIND("±",A1)-1)
C1=RIGHT(A1,LEN(A1)-FIND("±",A1))
D1=B1+C1,也可以=LEFT(A1,FIND("±",A1)-1)+RIGHT(A1,LEN(A1)-FIND("±",A1))
E1=B1-C1,也可以=LEFT(A1,FIND("±",A1)-1)-RIGHT(A1,LEN(A1)-FIND("±",A1))
B1:=LEFT(A1,SEARCH("±",A1)-1)
C1:=MID(A1,SEARCH("±",A1)+1,10)
D1:=B1+C1
E1:=B1-C1