Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(3(4b+2)=12b+6\)
2. \(-(2x-3xy+2)=-2x+3xy-2\)
3. \(3(5a-1)=15a-3\)
4. \(2(-a+2b-1)=-2a+4b-2\)
5. \(4(-8y-2)=-32y-8\)
6. \(-(3p+q-2)=-3p-q+2\)
7. \(-2(-7p-1)=14p+2\)
8. \(-2(-3p+q+2)=6p-2q-4\)
9. \(-2(-a-4b-3)=2a+8b+6\)
10. \(2(xy-y+4)=2xy-2y+8\)
11. \(+(4q+1)=4q+1\)
12. \(-4(6y+2)=-24y-8\)