Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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