Lettervormen distributiviteit

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Bereken

1. \(3(-2c+2)\)
2. \(3(5p+2)\)
3. \(-2(x+xy+4)\)
4. \(3(3x-1)\)
5. \(-(3p-3q+1)\)
6. \(4(-2b+2)\)
7. \(2(-8c+1)\)
8. \(-(a-2b-1)\)
9. \(+(-x-2y-3)\)
10. \(-(-6x-1)\)
11. \(+(x+3y+3)\)
12. \(-(-xy+4y+1)\)

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Bereken

Verbetersleutel

1. \(3(-2c+2)=-6c+6\)
2. \(3(5p+2)=15p+6\)
3. \(-2(x+xy+4)=-2x-2xy-8\)
4. \(3(3x-1)=9x-3\)
5. \(-(3p-3q+1)=-3p+3q-1\)
6. \(4(-2b+2)=-8b+8\)
7. \(2(-8c+1)=-16c+2\)
8. \(-(a-2b-1)=-a+2b+1\)
9. \(+(-x-2y-3)=-x-2y-3\)
10. \(-(-6x-1)=6x+1\)
11. \(+(x+3y+3)=x+3y+3\)
12. \(-(-xy+4y+1)=xy-4y-1\)