Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-(-2c-1)=2c+1\)
2. \(+(5y-1)=5y-1\)
3. \(-2(-x+2xy-1)=2x-4xy+2\)
4. \(-(3x+y-4)=-3x-y+4\)
5. \(-2(p-1)=-2p+2\)
6. \(+(-3x+2)=-3x+2\)
7. \(4(8q+2)=32q+8\)
8. \(-2(3a-1)=-6a+2\)
9. \(-(2p-2q-3)=-2p+2q+3\)
10. \(-4(4c+2)=-16c-8\)
11. \(-2(7x+2)=-14x-4\)
12. \(+(-2y+2)=-2y+2\)