36/25 : (-0,3) = -36/25 : 3/10 = -36/25 * 10/3 = -(36*2)/(5*3) = -24/5 = -4,8
3/14 : (-3,7 + 40/7) = 3/14 : (-25,9+40)/7 = 3/14 * 7/14,1 = 3/28,2 = 1/9,4 = 5/47
(0,6 - 4,7) : (2 1/7 - 3 4/9) = (4,7-0,6) : (31/9 - 15/7) = 4,1 : (31*7 - 15*9)/63 =
= 4,1*63/(217 - 135) = 4,1*63/82 = 41*6,3/82 = 6,3/2 = 3,15