Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(2(x+2xy-2)=2x+4xy-4\)
2. \(-4(6y+2)=-24y-8\)
3. \(3(-6b-1)=-18b-3\)
4. \(-2(3p-2)=-6p+4\)
5. \(2(-x+xy-3)=-2x+2xy-6\)
6. \(4(5b+1)=20b+4\)
7. \(-(3p-3q+4)=-3p+3q-4\)
8. \(-2(-2xy-y+3)=4xy+2y-6\)
9. \(-2(-5x-1)=10x+2\)
10. \(2(2x+3y+2)=4x+6y+4\)
11. \(-2(2x+3y-4)=-4x-6y+8\)
12. \(+(2xy-y+2)=2xy-y+2\)