Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-4(7b-1)=-28b+4\)
2. \(2(3a-3b+1)=6a-6b+2\)
3. \(-3(5p-1)=-15p+3\)
4. \(-(-xy-y+3)=xy+y-3\)
5. \(-4(5c-1)=-20c+4\)
6. \(2(3p-4q+3)=6p-8q+6\)
7. \(3(-q-2)=-3q-6\)
8. \(+(4p-1)=4p-1\)
9. \(-(-4q+2)=4q-2\)
10. \(-4(-5y-1)=20y+4\)
11. \(-2(x-4y+2)=-2x+8y-4\)
12. \(4(-6p-1)=-24p-4\)