Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-2(3x-xy-2)=-6x+2xy+4\)
2. \(-4(6c+2)=-24c-8\)
3. \(-3(7p-1)=-21p+3\)
4. \(+(-2x-4xy+1)=-2x-4xy+1\)
5. \(2(3p+2q-3)=6p+4q-6\)
6. \(2(2x+4y-2)=4x+8y-4\)
7. \(2(-8c+1)=-16c+2\)
8. \(-2(2p-3q+1)=-4p+6q-2\)
9. \(-3(y-2)=-3y+6\)
10. \(-2(-4p+1)=8p-2\)
11. \(+(3x+xy-4)=3x+xy-4\)
12. \(2(2xy-4y-4)=4xy-8y-8\)