43 2/9-z=26,5 решите !
43²/₉ - z = 26,5 43²/₉ - z = ²⁶⁵/₁₀ - z = ²⁶⁵/₁₀ - 43²/₉ - z = ²⁶⁵/₁₀ - ³⁸⁹/₉ - z = ²⁶⁵ˣ⁹/₉₀ - ³⁸⁹ˣ¹⁰/₉₀ - z = ²³⁸⁵/₉₀ - ³⁸⁹⁰/₉₀ - z = - ¹⁵⁰⁵/₉₀ z = 16⁶⁵/₉₀ z = 16¹³/₁₈
-z= 53/2 - 389/9 -z= 477-788/ 18 -z= -301/18 z= 301/18 z= 16 13/18