Which formula is NOT equivalent to all of the others?
=A3+A4+A5+A6
A3+A4+A5+A6
=SUM(A3:A6)
SUM(A3:A6)
=SUM(A3,A6)
SUM(A3,A6)
=SUM(A3,A4,A5,A6)
SUM(A3,A4,A5,A6)