Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-3(-a-2)=3a+6\)
2. \(+(4q-1)=4q-1\)
3. \(3(p+1)=3p+3\)
4. \(-(-2p-3q-4)=2p+3q+4\)
5. \(2(q-1)=2q-2\)
6. \(-(3x+4xy-3)=-3x-4xy+3\)
7. \(-(2p-4q+1)=-2p+4q-1\)
8. \(4(8y+1)=32y+4\)
9. \(+(-xy+y+2)=-xy+y+2\)
10. \(-(-x-xy-3)=x+xy+3\)
11. \(+(-3p+4q+1)=-3p+4q+1\)
12. \(2(-x-y+2)=-2x-2y+4\)