Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-4(7c-2)=-28c+8\)
2. \(-2(-2p+3q-4)=4p-6q+8\)
3. \(+(3a-2b+2)=3a-2b+2\)
4. \(-4(8y-1)=-32y+4\)
5. \(-(c-1)=-c+1\)
6. \(2(3x+3y-3)=6x+6y-6\)
7. \(+(-3x+2y-4)=-3x+2y-4\)
8. \(+(-2xy-3y-4)=-2xy-3y-4\)
9. \(-4(2q+2)=-8q-8\)
10. \(-2(-5c-1)=10c+2\)
11. \(-3(-3a+2)=9a-6\)
12. \(2(xy+y-1)=2xy+2y-2\)