Optellen en aftrekken (a+bi)

Hoofdmenu Eentje per keer  🖨

Bereken

1. \((4+6i)-(-6+2i)\)
2. \((5-3i)-(1+3i)\)
3. \((-10+8i)+(-1-3i)\)
4. \((2-3i)-(-2-5i)\)
5. \((2+i)-(-10+8i)\)
6. \((6-4i)+(-9-4i)\)
7. \((7-4i)+(7-4i)\)
8. \((1+2i)-(4-3i)\)
9. \((6-9i)-(10+8i)\)
10. \((3+2i)-(-7-2i)\)
11. \((-7-8i)+(-10+7i)\)
12. \((-9-10i)+(-10+8i)\)

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Bereken

Verbetersleutel

1. \((4+6i)-(-6+2i)= 4+6i +6-2i =\color{red}{4+6}\color{blue}{+6i -2i}=\color{red}{10}\color{blue}{+4i}\)
2. \((5-3i)-(1+3i)= 5-3i -1-3i =\color{red}{5-1}\color{blue}{-3i -3i}=\color{red}{4}\color{blue}{-6i}\)
3. \((-10+8i)+(-1-3i)= -10+8i -1-3i =\color{red}{-10-1}\color{blue}{+8i -3i}=\color{red}{-11}\color{blue}{+5i}\)
4. \((2-3i)-(-2-5i)= 2-3i +2+5i =\color{red}{2+2}\color{blue}{-3i +5i}=\color{red}{4}\color{blue}{+2i}\)
5. \((2+i)-(-10+8i)= 2+i +10-8i =\color{red}{2+10}\color{blue}{+i -8i}=\color{red}{12}\color{blue}{-7i}\)
6. \((6-4i)+(-9-4i)= 6-4i -9-4i =\color{red}{6-9}\color{blue}{-4i -4i}=\color{red}{-3}\color{blue}{-8i}\)
7. \((7-4i)+(7-4i)= 7-4i +7-4i =\color{red}{7+7}\color{blue}{-4i -4i}=\color{red}{14}\color{blue}{-8i}\)
8. \((1+2i)-(4-3i)= 1+2i -4+3i =\color{red}{1-4}\color{blue}{+2i +3i}=\color{red}{-3}\color{blue}{+5i}\)
9. \((6-9i)-(10+8i)= 6-9i -10-8i =\color{red}{6-10}\color{blue}{-9i -8i}=\color{red}{-4}\color{blue}{-17i}\)
10. \((3+2i)-(-7-2i)= 3+2i +7+2i =\color{red}{3+7}\color{blue}{+2i +2i}=\color{red}{10}\color{blue}{+4i}\)
11. \((-7-8i)+(-10+7i)= -7-8i -10+7i =\color{red}{-7-10}\color{blue}{-8i +7i}=\color{red}{-17}\color{blue}{-i}\)
12. \((-9-10i)+(-10+8i)= -9-10i -10+8i =\color{red}{-9-10}\color{blue}{-10i +8i}=\color{red}{-19}\color{blue}{-2i}\)