Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-3(-6p-1)=18p+3\)
2. \(-3(4a-1)=-12a+3\)
3. \(-(-2a+b-4)=2a-b+4\)
4. \(-4(-7p+2)=28p-8\)
5. \(-4(6b+1)=-24b-4\)
6. \(-2(q-2)=-2q+4\)
7. \(-(-xy-2y+3)=xy+2y-3\)
8. \(+(2xy-4y-2)=2xy-4y-2\)
9. \(+(2a+4b+3)=2a+4b+3\)
10. \(-(-x+4xy-1)=x-4xy+1\)
11. \(3(2x+2)=6x+6\)
12. \(2(-6b+1)=-12b+2\)