а) -2/5 : 6 = -2/5 1/6 = -2/30 = -1/15б) -6 : 3/12 = -6 12/3 = -72/3 = -24в) -5/8 : (-15) = -5/8 (-1/15) = 5/8 1/15 = 5/120 = 1/24г) -2/7 : 8/7 = -2/7 7/8 = -2/8 = -1/4д) -2/9 : (-8) = -2/9 (-1/8) = 2/9 1/8 = 2/72 = 1/36е) 1/45 : (-2/15) = 1/45 (-15/2) = -1/3ж) 2 : (-2/7) = 2 (-7/2) = -7з) 5 целых 4/9 : 1/9 = 5 9 + 4/9 : 1/9 = 45 + 4 = 49
а) -2/5 : 6 = -2/5 1/6 = -2/30 = -1/15
б) -6 : 3/12 = -6 12/3 = -72/3 = -24
в) -5/8 : (-15) = -5/8 (-1/15) = 5/8 1/15 = 5/120 = 1/24
г) -2/7 : 8/7 = -2/7 7/8 = -2/8 = -1/4
д) -2/9 : (-8) = -2/9 (-1/8) = 2/9 1/8 = 2/72 = 1/36
е) 1/45 : (-2/15) = 1/45 (-15/2) = -1/3
ж) 2 : (-2/7) = 2 (-7/2) = -7
з) 5 целых 4/9 : 1/9 = 5 9 + 4/9 : 1/9 = 45 + 4 = 49