(1целая5/8+19/24-1целая1/12)× X=1, (2целых23/28+1целых5/7-1целая13/14)×X=1

(1 5/8+19/24-1 1/12)x=1(1 15/24+19/24-22/24)x=11 1/2 x=1X=1:1 1/2X= 2/3___(2 23/28+1 5/7-1 13/14)x=1(2 23/28+1 20/28-1 26/28)x=12 17/28 x=1X=1:2 17/28X=28/73