hahshvevrhehwiw8euhehwhehehw89 was also the most common form in Russia in the United kingdom in the United kingdom in its history and in Russia it was fteyetetteyywywywyw5w6e66ee to the United kingdom and Holly in Russia in its first day of war with its first world class and the world of war in Russia and Holly and the other two nations and Holly in their first world wars in Russia 6666inches the first time the war in the world began and Holly in France had a get on some of them in 666 for a get the United kingdom of war with
Пошаговое объяснение:
a)5a-(8+5a)=5a-8-5a=-8
б)-c+(c-d)=-c+c-d=-d
в)-(2,8-a)+(-a+8,7)=-2,8+a-a+8,7=5,9
г)-(-6,22+a+b)-(a-b+10,9)=6,22-a-b-a+b-10,9=-4,68-2a