運算式 3: "y" equals 1 half "x" minus 1 quartery=12x−14
3
運算式 4: "y" equals StartFraction, left parenthesis, "x" plus "a" , right parenthesis Over 1 plus "e" Superscript, StartNestedFraction, 1 NestedOver "x" , EndNestedFraction , Baseline , EndFractiony=x+a1+e1x