Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(2(-p-3q-1)=-2p-6q-2\)
2. \(-(-a+2b-4)=a-2b+4\)
3. \(-(3a-1)=-3a+1\)
4. \(2(6x-1)=12x-2\)
5. \(-(-8a-2)=8a+2\)
6. \(-2(3xy-y-3)=-6xy+2y+6\)
7. \(-2(-p+2q+2)=2p-4q-4\)
8. \(2(7x+1)=14x+2\)
9. \(-2(-2p-1)=4p+2\)
10. \(2(-3p+q+4)=-6p+2q+8\)
11. \(-2(2x+4xy-3)=-4x-8xy+6\)
12. \(2(3a+2b+3)=6a+4b+6\)