Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-3(-c-1)=3c+3\)
2. \(-4(3y+1)=-12y-4\)
3. \(+(-8y-2)=-8y-2\)
4. \(-(-3xy+2y+4)=3xy-2y-4\)
5. \(-4(7p+1)=-28p-4\)
6. \(2(-x-2xy+3)=-2x-4xy+6\)
7. \(-3(-4a+2)=12a-6\)
8. \(+(-3p-q+4)=-3p-q+4\)
9. \(2(2p+2q-2)=4p+4q-4\)
10. \(-4(-4q+2)=16q-8\)
11. \(3(-y+2)=-3y+6\)
12. \(4(3y-2)=12y-8\)