Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-3(4b+1)=-12b-3\)
2. \(2(6p+2)=12p+4\)
3. \(-(-2xy-2y+3)=2xy+2y-3\)
4. \(-2(-2x-y+3)=4x+2y-6\)
5. \(-(-3a-2)=3a+2\)
6. \(+(2xy+y-4)=2xy+y-4\)
7. \(-2(4q-1)=-8q+2\)
8. \(-3(6a-2)=-18a+6\)
9. \(3(6a+1)=18a+3\)
10. \(2(5c+1)=10c+2\)
11. \(-(2xy+4y+1)=-2xy-4y-1\)
12. \(2(-3x-xy+1)=-6x-2xy+2\)