Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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