Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-(-3p+4q+1)=3p-4q-1\)
2. \(4(-5p+2)=-20p+8\)
3. \(-3(-3y+2)=9y-6\)
4. \(3(-8y-2)=-24y-6\)
5. \(-(p-2q-3)=-p+2q+3\)
6. \(-4(5b+2)=-20b-8\)
7. \(+(4x-1)=4x-1\)
8. \(-(-2x+2xy-3)=2x-2xy+3\)
9. \(-4(-x-1)=4x+4\)
10. \(-(-2x+y+4)=2x-y-4\)
11. \(4(2c+2)=8c+8\)
12. \(2(-p+4q+1)=-2p+8q+2\)