Bereken
- \((10-3i)-(-1+i)\)
- \((7+5i)-(-4+10i)\)
- \((6-10i)+(-2+i)\)
- \((-1-3i)+(-10-4i)\)
- \((4+7i)-(2-i)\)
- \((8-8i)+(-3+8i)\)
- \((-10-8i)+(-1-10i)\)
- \((-9-6i)+(6-10i)\)
- \((-7-i)+(7+6i)\)
- \((-4-6i)-(3-5i)\)
- \((-2+5i)-(-9+4i)\)
- \((-4-10i)-(5+10i)\)
Bereken
Verbetersleutel
- \((10-3i)-(-1+i)= 10-3i +1-i =\color{red}{10+1}\color{blue}{-3i -i}=\color{red}{11}\color{blue}{-4i}\)
- \((7+5i)-(-4+10i)= 7+5i +4-10i =\color{red}{7+4}\color{blue}{+5i -10i}=\color{red}{11}\color{blue}{-5i}\)
- \((6-10i)+(-2+i)= 6-10i -2+i =\color{red}{6-2}\color{blue}{-10i +i}=\color{red}{4}\color{blue}{-9i}\)
- \((-1-3i)+(-10-4i)= -1-3i -10-4i =\color{red}{-1-10}\color{blue}{-3i -4i}=\color{red}{-11}\color{blue}{-7i}\)
- \((4+7i)-(2-i)= 4+7i -2+i =\color{red}{4-2}\color{blue}{+7i +i}=\color{red}{2}\color{blue}{+8i}\)
- \((8-8i)+(-3+8i)= 8-8i -3+8i =\color{red}{8-3}\color{blue}{-8i +8i}=\color{red}{5}\)
- \((-10-8i)+(-1-10i)= -10-8i -1-10i =\color{red}{-10-1}\color{blue}{-8i -10i}=\color{red}{-11}\color{blue}{-18i}\)
- \((-9-6i)+(6-10i)= -9-6i +6-10i =\color{red}{-9+6}\color{blue}{-6i -10i}=\color{red}{-3}\color{blue}{-16i}\)
- \((-7-i)+(7+6i)= -7-i +7+6i =\color{red}{-7+7}\color{blue}{-i +6i}=\color{blue}{5i}\)
- \((-4-6i)-(3-5i)= -4-6i -3+5i =\color{red}{-4-3}\color{blue}{-6i +5i}=\color{red}{-7}\color{blue}{-i}\)
- \((-2+5i)-(-9+4i)= -2+5i +9-4i =\color{red}{-2+9}\color{blue}{+5i -4i}=\color{red}{7}\color{blue}{+i}\)
- \((-4-10i)-(5+10i)= -4-10i -5-10i =\color{red}{-4-5}\color{blue}{-10i -10i}=\color{red}{-9}\color{blue}{-20i}\)