Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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