Question

1. раскройте скобки
1) c-(a-b)=
2)c+(a+b)=
3)c-(a+b)=
4)-c-(-a-b)=
5)(a-b)+(c-d)=
6)(-a-b)-(c-d)=
7)x+(a-b)-(c-d)=
8)d-(a+b)-(c-d)=

Answer 1

1.=c-a+b

2.=c+a+b

3.=c-a-b

4.=-c+a+b

5.=a-b+c-d

6.=-a-b-c+d

7.=x+a-b-c+d

8.=d-a-b-c+d