Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-(-2p+q+1)=2p-q-1\)
2. \(4(2y+1)=8y+4\)
3. \(-2(3a-2b+2)=-6a+4b-4\)
4. \(-3(-2q+2)=6q-6\)
5. \(-2(3x+3xy-4)=-6x-6xy+8\)
6. \(2(-a+b-1)=-2a+2b-2\)
7. \(3(7p+2)=21p+6\)
8. \(+(2x-4y-3)=2x-4y-3\)
9. \(2(3xy+3y-2)=6xy+6y-4\)
10. \(+(-p+2q-4)=-p+2q-4\)
11. \(3(-8q-1)=-24q-3\)
12. \(2(-x-4xy+4)=-2x-8xy+8\)