(11,25-3 5/12+4,3-7 19/30):(7 7/12-5 5/6)=? По действиям пример!

11.25 = 45/4 = 45*3/4*3 = 135/124.3 = 43/10 = 43*3/10*3 = 129/3055/6 = 55*2/6*2 = 110/121)135/12 - 35/12 = 100/12 = 25/32) 129/30 - 719/30 = -590/30 = -59/33) 25/3 + (-59/3) = -34/34) 77/12 - 110/12 = -33/125) (-34/3) / (-33/12) = (34*12)/(3*33) = (34*4)/33 = 136/33 = 4.(12) Ответ: 4.(12)Скобки в ответе - это период, т е 4.(12) = 4.1212121212...