Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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