Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(+(7c+1)=7c+1\)
2. \(4(2c+1)=8c+4\)
3. \(+(-6y+1)=-6y+1\)
4. \(-(-2xy+y-4)=2xy-y+4\)
5. \(2(-x-4xy-1)=-2x-8xy-2\)
6. \(2(-8q-1)=-16q-2\)
7. \(3(7p-1)=21p-3\)
8. \(+(-x+4y+3)=-x+4y+3\)
9. \(-(3x+1)=-3x-1\)
10. \(-3(4p-1)=-12p+3\)
11. \(2(3x-2y-2)=6x-4y-4\)
12. \(-2(8y+1)=-16y-2\)