Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-2(-3x+4y-2)=6x-8y+4\)
2. \(+(p+3q-3)=p+3q-3\)
3. \(-3(-5p-1)=15p+3\)
4. \(-3(q-1)=-3q+3\)
5. \(-3(-8x+1)=24x-3\)
6. \(-2(x-y+4)=-2x+2y-8\)
7. \(3(-6x-1)=-18x-3\)
8. \(-4(-4x-1)=16x+4\)
9. \(-2(-xy-2y+4)=2xy+4y-8\)
10. \(3(-b+1)=-3b+3\)
11. \(-4(-5q-2)=20q+8\)
12. \(4(5a-2)=20a-8\)