1 1/2 * (-5) * (-2/3) 3/8 * (-13) * 2 2/3 -1 3/7 * (-9) * (-7/10) помогите
1) = 3/2 * (-5) * (-2/3) = 5 2) = 3/8 * (-13) * 8/3 = -13 3) = -10/7 * (-9) * (-7/10) = -9