Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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