Ответ Автор - takushnir 1)127/30-149/18=(381-745)/90= -364/90 =-182/452)-182/45:5 1/6=-182/45*6/31=-182*6/45*31=-182*2/15*31=-364/(15*31)3) 012*1/5=0.12*0.2=0.024=24/1000=3/1254)-364/(15*31):3/125=-(364/15*31)(125/3)=-9100/379=-24 4/379