นิพจน์ 2: StartFraction, 20 Over StartAbsoluteValue, "x" , EndAbsoluteValue , EndFraction minus StartFraction, 5 Over StartAbsoluteValue, 8 minus "x" , EndAbsoluteValue , EndFraction20x−58−x
2
นิพจน์ 3: StartFraction, 20 Over StartAbsoluteValue, "x" , EndAbsoluteValue , EndFraction20x