Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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