Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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