Expression 33: "M" Subscript, 1 , Baseline equals StartFraction, StartNestedFraction, 1 NestedOver "m" Subscript, 2 , Baseline , EndNestedFraction "F" Subscript, 1 , Baseline plus "F" Subscript, 2 , Baseline plus "m" Subscript, 3 , Baseline "E" Subscript, 1 , Baseline minus "E" Subscript, 2 , Baseline Over "m" Subscript, 3 , Baseline plus StartNestedFraction, 1 NestedOver "m" Subscript, 2 , Baseline , EndNestedFraction , EndFractionM1=1m2F1+F2+m3E1−E2m3+1m2