Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-(2a-b-2)=-2a+b+2\)
2. \(-2(-5y+1)=10y-2\)
3. \(-2(2p-q-2)=-4p+2q+4\)
4. \(3(5c-1)=15c-3\)
5. \(3(6y-1)=18y-3\)
6. \(-2(-2xy+3y-1)=4xy-6y+2\)
7. \(-(2xy-4y+1)=-2xy+4y-1\)
8. \(-2(5q-2)=-10q+4\)
9. \(-(-4x-2)=4x+2\)
10. \(-2(2q+2)=-4q-4\)
11. \(-3(6y+2)=-18y-6\)
12. \(+(3a-b+4)=3a-b+4\)