T*8/13=28/91*6/7 t*8/13=24/91 t=24/91:8/13 t=24/91*13/8 t=3/7
Выражение: t*(8//13)=(28//91)*(6//7) Ответ: t*(8//13)-(24//91)=0 Решаем по действиям:1. 28//91=4//132. (4//13)*(6//7)=(24//91) Решаем по шагам:1. t*(8//13)-(4//13)*(6//7)=0 1.1. 28//91=4//132. t*(8//13)-(24//91)=0 2.1. (4//13)*(6//7)=(24//91)