Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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