а) = 1/16 х (-5 1/3) = -1 х 16/16 х 3 = -1/3
б) = 3/38 х (-9 1/2) = -3 х 19/38 х 2= -3/4 = -0,75
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а) = 1/16 х (-5 1/3) = -1 х 16/16 х 3 = -1/3
б) = 3/38 х (-9 1/2) = -3 х 19/38 х 2= -3/4 = -0,75