2) (3a-b)²3) (5z+t)²4) (5x-2y)²5) (6m-4n)²6) (x+c)²7) - вопрос №163017242335452564674 от kuki10 29.03.2022 13:42

Question

Алгебра: 2) (3a-b)²3) (5z+t)²4) (5x-2y)²5) (6m-4n)²6) (x+c)²7) (a-4)²​

kuki10 · Answer

(3а-b)²= 9a²-6ab+b²(5z+t)²=25z²+10zt+t²(5x-2y)²=25x²-20zy+4y² (6m-4n)²=36m²-48mn+16n² (x+c)²=x²+2xc+c² (a-4)²=a²-8a+16...

2) (3a-b)²3) (5z+t)²4) (5x-2y)²5) (6m-4n)²6) (x+c)²7) (a-4)²​