А) 3/5×(-5)×(-1/3)×(-1/15)×(-25)=? Б)-4/7×(-28)×(-1/16)×(-8)
А) 3/5 * (-5) * (-1/3) * (-1/15) * (-25) = 25/15 = 5/3 = 1 2/3, Б) -4/7 * (-28) * (-1/16) * (-8) = 2 * 4 = 8