Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(-(x+y-3)=-x-y+3\)
2. \(+(6a+2)=6a+2\)
3. \(-2(-c+1)=2c-2\)
4. \(3(-5a-1)=-15a-3\)
5. \(-3(x-1)=-3x+3\)
6. \(+(3p-4q+2)=3p-4q+2\)
7. \(+(-7c-2)=-7c-2\)
8. \(+(p-2q-3)=p-2q-3\)
9. \(3(b+2)=3b+6\)
10. \(4(8y+2)=32y+8\)
11. \(-(-3x-xy+4)=3x+xy-4\)
12. \(-2(8q-1)=-16q+2\)