Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(4(8b-1)=32b-4\)
2. \(4(3y-1)=12y-4\)
3. \(3(6a-1)=18a-3\)
4. \(-3(-4x-1)=12x+3\)
5. \(-3(7q+1)=-21q-3\)
6. \(2(-2a-b+2)=-4a-2b+4\)
7. \(2(-3p-2q+1)=-6p-4q+2\)
8. \(-(-6q+2)=6q-2\)
9. \(+(-y-1)=-y-1\)
10. \(2(-3p+2q-2)=-6p+4q-4\)
11. \(4(-2p+2)=-8p+8\)
12. \(2(-3x+y+3)=-6x+2y+6\)