Question

помогите.................​

Answer 1

Ответ:

350. 1) =ca-cb+b²-ab

2) =ab-ac-c²+cb

3) =x-y+by-bx

4) =2bx-2by-y+x

351. 1) =7y-21-3a+ay

2) =6a-12+2a-a²

3) =ab²-b²-c+ac

4) =a²m-2a²+2b-bm

352. 1) =ab-ac+b³-bc-7c+7b

2) x²-xy+y²-xy-3x+3y=x²-2xy+y²-3x+3y

3) =ax-2x+2y-ay+2-a

4) =ab-3a+3-b-3b+b²=ab-3a+3-4b+b²