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)=
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)=
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Answers & Comments
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