Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(+(p+3q+1)=p+3q+1\)
2. \(+(2p-4q+1)=2p-4q+1\)
3. \(-(2xy+y-3)=-2xy-y+3\)
4. \(2(-3y-2)=-6y-4\)
5. \(-3(-c+2)=3c-6\)
6. \(2(-x+3xy+2)=-2x+6xy+4\)
7. \(-4(-5a-1)=20a+4\)
8. \(3(p+2)=3p+6\)
9. \(+(xy-2y+4)=xy-2y+4\)
10. \(-4(c+2)=-4c-8\)
11. \(-2(-2a+3b-4)=4a-6b+8\)
12. \(+(a+1)=a+1\)