Question

найдите отношения 4 1/14 к 1 17/21 б)х:1,2=49:36

Answer 1

41/14:17/21=(41*21)/(14*17)=3*3/2*1=9/2=4,5

б) x:1,2=49:36

x/1,2=49/36

x=(49*1,2)/36

x=1 19/30