Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

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