Содержание
- 3. 2 – 2 = 3 – 1 = 3 – 2 + 3 = 3 +
- 4. 4 – 4 + 3 = 3 + 1 – 2 = 1 + 2 +
- 5. 2 + 2 = 4 – 2 = 4 – 4 + 3 = 3 +
- 6. 4 – 1 = 4 – 4 + 3 = 3 + 1 – 2 =
- 7. 3 – 2 = 4 – 4 + 3 = 3 + 1 – 2 =
- 8. 2– (4 – 3)= 4 – 2 + 1 = 4 – (4 – 2) =
- 9. 1 3 + (2 – 1) = 4– (4 – 3)= 4 – (4 – 2)
- 10. 3 + (2 – 1) = 4– (4 – 3)= 4 – (4 – 2) =
- 11. 4– (4 – 3)= 4 – (4 – 2) = 5 2 6 0 1 4
- 12. 4 – (4 – 2) = 5 3 6 0 1 4 2
- 13. 2 + 3 5 + 0 6 – 1 6 – 3 4 + 1 6
- 14. 7 – 0 5 – 2 3 + 3 0 + 7 4 + 3 7
- 17. 4 + 4 = 8 – 5 = 1 + 7 = 6 + 2 =
- 18. 9 – 0 5 + 4 3 + 6 7 + 2 1 + 8 9
- 19. 10 – 1= 10 – 5= 10 – 9= 10 – 6= 10 – 8= 0
- 20. 3 – 2 7 – 5 5 + 5 1 + 8 4 + 4 9
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