а) -1350: (-3) --- 450-150 --- 300*(-5) --- -1500: (-250) = 6
б) -2400:80 --- -30+(-150) --- -180* (-5) --- 900-900 --- 0
а) -1350: (-3) --- 450-150 --- 300*(-5) --- -1500: (-250) = 6
б) -2400:80 --- -30+(-150) --- -180* (-5) --- 900-900 --- 0