а) -56:7 = -8
б) -42:(-7) = 7
в) 14:(-0,5) = -28
г) -4/7:8/21 = - 1
-56:7=-8
14:(-0.5)=-28
-42:(-7)=7
а) -56:7 = -8
б) -42:(-7) = 7
в) 14:(-0,5) = -28
г) -4/7:8/21 = - 1
-56:7=-8
14:(-0.5)=-28
-42:(-7)=7