Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(3(b-1)=3b-3\)
2. \(-3(-q+1)=3q-3\)
3. \(-2(-3a-4b+3)=6a+8b-6\)
4. \(-2(4a+1)=-8a-2\)
5. \(4(-8x-2)=-32x-8\)
6. \(-(a-3b+3)=-a+3b-3\)
7. \(-(-2x-2y-3)=2x+2y+3\)
8. \(2(-x-y-2)=-2x-2y-4\)
9. \(3(-4q+1)=-12q+3\)
10. \(2(3x-3xy-2)=6x-6xy-4\)
11. \(-2(2x-xy+4)=-4x+2xy-8\)
12. \(-2(3xy+2y-1)=-6xy-4y+2\)