Lettervormen distributiviteit

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Bereken

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

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Bereken

Verbetersleutel

1. \(4(7p+1)=28p+4\)
2. \(+(-x-xy-4)=-x-xy-4\)
3. \(3(5b+1)=15b+3\)
4. \(-(-3q+1)=3q-1\)
5. \(-2(3q+1)=-6q-2\)
6. \(-4(-6a-1)=24a+4\)
7. \(-2(5a+2)=-10a-4\)
8. \(2(-2p-q-3)=-4p-2q-6\)
9. \(-3(a+1)=-3a-3\)
10. \(+(-3q-1)=-3q-1\)
11. \(-(3a-4b+1)=-3a+4b-1\)
12. \(-(-3a-2b-4)=3a+2b+4\)