Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(4(5p+2)=20p+8\)
2. \(+(2x+4xy+3)=2x+4xy+3\)
3. \(-2(-3p+2)=6p-4\)
4. \(3(-7c+1)=-21c+3\)
5. \(4(-6a-1)=-24a-4\)
6. \(2(-p+3q-4)=-2p+6q-8\)
7. \(+(-2x+2)=-2x+2\)
8. \(2(-7a-2)=-14a-4\)
9. \(4(-b-2)=-4b-8\)
10. \(-(-p+2q-4)=p-2q+4\)
11. \(-2(-x-2xy+1)=2x+4xy-2\)
12. \(2(-2a+2b+4)=-4a+4b+8\)