Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-(-3a-4b-3)=3a+4b+3\)
2. \(-2(-2q-2)=4q+4\)
3. \(+(-6y+1)=-6y+1\)
4. \(2(7b+2)=14b+4\)
5. \(+(2xy+y+2)=2xy+y+2\)
6. \(3(-4y-2)=-12y-6\)
7. \(4(2q-1)=8q-4\)
8. \(+(3x-3xy-4)=3x-3xy-4\)
9. \(2(-3x+4y-1)=-6x+8y-2\)
10. \(2(-3p+q+3)=-6p+2q+6\)
11. \(-2(x+4y+1)=-2x-8y-2\)
12. \(-2(7x+1)=-14x-2\)