Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(3(5a-2)=15a-6\)
2. \(2(p-2q-1)=2p-4q-2\)
3. \(+(-8a+1)=-8a+1\)
4. \(-(-2a-4b+2)=2a+4b-2\)
5. \(2(2p+3q+4)=4p+6q+8\)
6. \(-(5b+2)=-5b-2\)
7. \(2(x-3y+4)=2x-6y+8\)
8. \(-4(-q+2)=4q-8\)
9. \(4(-5c-1)=-20c-4\)
10. \(-3(3y+1)=-9y-3\)
11. \(4(4p+2)=16p+8\)
12. \(-(-3x-2xy-1)=3x+2xy+1\)