Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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