Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-2(-x-2xy+3)=2x+4xy-6\)
2. \(3(3a+1)=9a+3\)
3. \(-(p+4q-4)=-p-4q+4\)
4. \(2(3p-2)=6p-4\)
5. \(2(x-1)=2x-2\)
6. \(+(6p-1)=6p-1\)
7. \(-(-4p+2)=4p-2\)
8. \(3(6q+1)=18q+3\)
9. \(-2(x-3y+1)=-2x+6y-2\)
10. \(-4(2b-2)=-8b+8\)
11. \(+(-a+2b+4)=-a+2b+4\)
12. \(3(5c+2)=15c+6\)