Ausdruck 3: eta Subscript, "c" , Baseline left parenthesis, "T" Subscript, "A" , Baseline , right parenthesis equals StartFraction, "T" Subscript, "V" , Baseline positive 273 Over "T" Subscript, "V" , Baseline minus "T" Subscript, "A" , Baseline , EndFraction Hat Graphen. Drücke ALT + T für Audio-Tracing.ηcTA=TV+273TV−TA