1) -3.5 * (10/3) = -35/10 * 10/7 = -7/2 * 10/7 = -5
2) (19/8-11/6):(-13/8) = ((19*3-11*4)/24) : (-13/8) = (13/24)*(-8/13) = -1/3
1) -3.5 * (10/3) = -35/10 * 10/7 = -7/2 * 10/7 = -5
2) (19/8-11/6):(-13/8) = ((19*3-11*4)/24) : (-13/8) = (13/24)*(-8/13) = -1/3