Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(2(-2x+1)=-4x+2\)
2. \(-2(-2a+2)=4a-4\)
3. \(-4(-5p+1)=20p-4\)
4. \(-(5y+1)=-5y-1\)
5. \(+(-2p-3q+4)=-2p-3q+4\)
6. \(+(-8p+1)=-8p+1\)
7. \(-3(-2c-1)=6c+3\)
8. \(+(-3xy+4y+4)=-3xy+4y+4\)
9. \(4(-8p+2)=-32p+8\)
10. \(-2(-3c-2)=6c+4\)
11. \(2(-8b+2)=-16b+4\)
12. \(-(-p-q+2)=p+q-2\)