Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(4(-4a-1)=-16a-4\)
2. \(-(-x+2)=x-2\)
3. \(2(-2x+3y-3)=-4x+6y-6\)
4. \(-2(4y-1)=-8y+2\)
5. \(-(2p+2q-3)=-2p-2q+3\)
6. \(-(-a-2b+2)=a+2b-2\)
7. \(-(-8y+2)=8y-2\)
8. \(-4(x+1)=-4x-4\)
9. \(-(2xy-4y-1)=-2xy+4y+1\)
10. \(3(-8q-2)=-24q-6\)
11. \(3(6x-2)=18x-6\)
12. \(2(2x+y-1)=4x+2y-2\)