Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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