Выполните действия: 0.8*(-0.3)-0.6*(-0.3); -3/11*0.4-0.4*(-8/11)

0.8*(-0.3)-0.6*(-0.3) = -0,24-(-0,18)= -0,24+0,18 = -0,06

-3/11*0.4-0.4*(-8/11) = -3/11*4/10 - 4/10*(-8/11) = -6/55 - (-16/55) = -6/55 + 8/55 = -6+8/55 = 2/55