Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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