Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(+(2x-2y-2)=2x-2y-2\)
2. \(3(7b-1)=21b-3\)
3. \(+(3p+2q+1)=3p+2q+1\)
4. \(+(-3x+3xy+2)=-3x+3xy+2\)
5. \(-4(5x+2)=-20x-8\)
6. \(2(3x+4y+2)=6x+8y+4\)
7. \(-(2a-3b+2)=-2a+3b-2\)
8. \(-4(-7b+1)=28b-4\)
9. \(-(8x-1)=-8x+1\)
10. \(4(4p-1)=16p-4\)
11. \(-2(2a+b+1)=-4a-2b-2\)
12. \(-(-3xy+y-1)=3xy-y+1\)