Раскрыть скобки: 1)a+(-b-c-d-c-f)= 2)a-(b-c+d-c+f)= 3)+c-d+c-f)= 4)a+(b-c+d-c+f)= 5)a+(b+c-d+c+f)=

1)а-b-c-d-c-f=a-b-2c-d-f

2)a-b+c-d+c-f

3)a+b-c+d-c+f

4)a+b-c+d-c+f

5)a+b+c-d+c+f

1) a+(-b-c-d-c-f)=a-b-2c-d-f

2) a-(b-c+d-c+f)=a-b+2c-d-f

3) a-(-b+c-d+c-f)=a+b-2c+d+f

4) a+(b-c+d-c+f)=a+b-2c+d+f

5) a+(b+c-d+c+f)=a+b+2c-d+f