а) 4 1/3(-8/13) = 13/3(-8/13) = -8/3
б) -63/7312 1/6 = -63/73 73/6 = -63/6 = -21
в) 20 1/420 5/9 = 81/4 185/9 = 405/2 = 202 1/2
г) -8(-2 1/12) = -8(-25/12) = 25/3 = 8 1/3
а) 4 1/3(-8/13) = 13/3(-8/13) = -8/3
б) -63/7312 1/6 = -63/73 73/6 = -63/6 = -21
в) 20 1/420 5/9 = 81/4 185/9 = 405/2 = 202 1/2
г) -8(-2 1/12) = -8(-25/12) = 25/3 = 8 1/3