Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(2(2a+2b-4)=4a+4b-8\)
2. \(-3(6q-2)=-18q+6\)
3. \(-(-2x-2xy+2)=2x+2xy-2\)
4. \(-2(4c-1)=-8c+2\)
5. \(-2(x-xy-3)=-2x+2xy+6\)
6. \(2(2xy+4y+4)=4xy+8y+8\)
7. \(2(-7p-2)=-14p-4\)
8. \(-4(4a+2)=-16a-8\)
9. \(+(-p+q-2)=-p+q-2\)
10. \(-(-3p+4q-3)=3p-4q+3\)
11. \(+(-3x+4y-4)=-3x+4y-4\)
12. \(-2(-3a+b+1)=6a-2b-2\)