1. 0.5 + 0.8 =


  2. 0.4 + 0.6 =


  3. 0.5 + 0.9 =


  4. 0.1 + 0.7 =


  5. 0.3 + 0.7


  6. 0.4 + 0.9 =


  7. 0.3 + 0.3 + 0.6 =


  8. 0.9 + 0.9 + 0.9 =


  9. 0.4 + 0.5 + 0.8 =


  10. 0.2 + 0.3 + 0.6 =


  11. 0.8 + 0.7 =


  12. 0.6 + 0.1 + 0.9 =


  13. 0.5 + 0.3 =


  14. 0.4 + 0.5 + 0.6 + 0.7 =


  15. 0.6 + 0.7 + 0.8 + 0.9 =