Haakjesregel (intermezzo)

Hoofdmenu Eentje per keer  🖨

Werk de haakjes weg

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

---

Werk de haakjes weg

Verbetersleutel

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