(-4,5)*5ц1/3+(-5,5)*5ц1/3= решите по действиям даю 30балов

(-4,5)* 5 1/3 + (-5,5)* 5 1/3 1) (-4,5)*5 1/3 = -4 1/2 * 5 1/3 = -9/2 * 16/3 = -3*8 = -24.2) (-5,5)* 5 1/3 = - 5 1/2 * 5 1/3 = -11/2*16/3 = -88/3 = -29 1/33) -24 - 29 1/3 = -53 1/3.