表达式1: "x" times StartFraction, left parenthesis, "e" Superscript, ln left parenthesis, 1 plus "e" Superscript, "x" , Baseline , right parenthesis , Baseline minus "e" Superscript, negative ln left parenthesis, 1 plus "e" Superscript, "x" , Baseline , right parenthesis , Baseline , right parenthesis Over left parenthesis, "e" Superscript, ln left parenthesis, 1 plus "e" Superscript, "x" , Baseline , right parenthesis , Baseline plus "e" Superscript, negative ln left parenthesis, 1 plus "e" Superscript, "x" , Baseline , right parenthesis , Baseline , right parenthesis , EndFraction 有图表。 要进行音频跟踪,按“Alt 键 + T”。x·eln1+ex−e−ln1+exeln1+ex+e−ln1+ex
1
表达式2: StartFraction, "x" Over 1 plus "e" Superscript, negative "x" , Baseline , EndFraction 有图表。 要进行音频跟踪,按“Alt 键 + T”。x1+e−x