879-(458+h)=231 951-(r-354)=882 549-(425-b)=488 - вопрос №7785153879458231951354882549425488388 от ilinovam 19.07.2021 00:54

Question

Математика: 879-(458+h)=231 951-(r-354)=882 549-(425-b)=488 раскройте скобки 3(a+8) 8(6-y) (x-9)x11 12(5a-6) 7(5x+7y-6t) (2a+5b-3c)x14

ilinovam · Answer

879-(458+h)=231 879-458-h=231-h=231-879+458-h=-190h=190951-(r-354)=882951-r+354=882-r=882-951-354-r=-423r=423549-(425-b)=488549-425+b=488b=488-549+425b=364раскройте скобки3(a+8)=3a+248(6-y)=48-8y(x-9)x11 =11x-9912(5a-6)=60a-727(5x+7y-6t)=35x+49y-42t(2a+5b-3c)x14=28a+70b-42c...