Bereken
- \(4(7p+1)\)
- \(+(-x-xy-4)\)
- \(3(5b+1)\)
- \(-(-3q+1)\)
- \(-2(3q+1)\)
- \(-4(-6a-1)\)
- \(-2(5a+2)\)
- \(2(-2p-q-3)\)
- \(-3(a+1)\)
- \(+(-3q-1)\)
- \(-(3a-4b+1)\)
- \(-(-3a-2b-4)\)
Bereken
Verbetersleutel
- \(4(7p+1)=28p+4\)
- \(+(-x-xy-4)=-x-xy-4\)
- \(3(5b+1)=15b+3\)
- \(-(-3q+1)=3q-1\)
- \(-2(3q+1)=-6q-2\)
- \(-4(-6a-1)=24a+4\)
- \(-2(5a+2)=-10a-4\)
- \(2(-2p-q-3)=-4p-2q-6\)
- \(-3(a+1)=-3a-3\)
- \(+(-3q-1)=-3q-1\)
- \(-(3a-4b+1)=-3a+4b-1\)
- \(-(-3a-2b-4)=3a+2b+4\)