Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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