Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(3(-5b+1)=-15b+3\)
2. \(+(-2xy+2y+2)=-2xy+2y+2\)
3. \(3(p-1)=3p-3\)
4. \(+(8a+2)=8a+2\)
5. \(+(2a-b-1)=2a-b-1\)
6. \(4(5b+2)=20b+8\)
7. \(3(3x+2)=9x+6\)
8. \(2(-2x-4xy-3)=-4x-8xy-6\)
9. \(-2(xy+4y+2)=-2xy-8y-4\)
10. \(-(3a-2b-1)=-3a+2b+1\)
11. \(4(-5q-1)=-20q-4\)
12. \(-2(-3x-2xy+3)=6x+4xy-6\)