Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(+(2x+3y-2)=2x+3y-2\)
2. \(-(7y-2)=-7y+2\)
3. \(2(7a-2)=14a-4\)
4. \(-2(-3y+1)=6y-2\)
5. \(-2(-3xy-2y-2)=6xy+4y+4\)
6. \(-3(-2p-2)=6p+6\)
7. \(-4(-7c-1)=28c+4\)
8. \(+(-2a+4b-3)=-2a+4b-3\)
9. \(-2(-x-3y-2)=2x+6y+4\)
10. \(-2(-5b+1)=10b-2\)
11. \(-2(-2x+2)=4x-4\)
12. \(4(-3q-1)=-12q-4\)