Optellen en aftrekken (reeks 3)

Hoofdmenu Eentje per keer 

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

Reken uit

Verbetersleutel

  1. \(7-7+8-5+2=5\)
  2. \(4-7+2+5-5=-1\)
  3. \(-3-3+7+1+6=8\)
  4. \(+(+4)-(-9)-(-1)-(+1)-(+7)=+4+9+1-1-7=6\)
  5. \(-2+1-1-1-4=-7\)
  6. \(+(+9)+(-7)+(-1)+(-5)-(+7)=+9-7-1-5-7=-11\)
  7. \(8-6+4-7-5=-6\)
  8. \(3-2+5+8-4=10\)
  9. \(+(+1)+(-3)+(+4)+(+6)-(-9)=+1-3+4+6+9=17\)
  10. \(6-6-2+6-3=1\)
  11. \(1-9+4+4-3=-3\)
  12. \(-4+1+5+8+5=15\)
Oefeningengenerator vanhoeckes.be/wiskunde 2021-12-02 02:36:24