Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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