Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(4(-4b+2)=-16b+8\)
2. \(-(-5b-2)=5b+2\)
3. \(-2(3c-1)=-6c+2\)
4. \(-(3x-xy+3)=-3x+xy-3\)
5. \(-2(5p+1)=-10p-2\)
6. \(-2(-3p-3q-1)=6p+6q+2\)
7. \(+(-5p-1)=-5p-1\)
8. \(-2(-x+3y+4)=2x-6y-8\)
9. \(-2(-2x-4xy+1)=4x+8xy-2\)
10. \(+(3x-4y-3)=3x-4y-3\)
11. \(-(4a-2)=-4a+2\)
12. \(-(2y-1)=-2y+1\)