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Arvutamine 20 piires 2

Author: Halliste Ülle
Description: Arvuta. Ühenda omavahel sobivad tehted.
Keywords: , , , , , , online teaching

Content:
Definitions:
0. 5 %2b 10 - 1
1. 4 %2b 7 - 0
2. 3 %2b 10 - 4
3. 3 %2b 16 - 12
4. 9 %2b 9 - 2
5. 4 %2b 16 - 0
6. 7 %2b 9 - 11
7. 16 %2b 3 - 11
8. 8 %2b 8 - 1
9. 16 %2b 4 - 2
10. 11 %2b 9 - 1
11. 9 %2b 8 - 4
12. 4 %2b 10 - 8
13. 10 %2b 9 - 2
14. 6 %2b 9 - 3
15. 2 %2b 16 - 8

Answers:
0. 9 - 8 %2b 5
1. 19 - 8 %2b 9
2. 7 - 4 %2b 4
3. 12 - 9 %2b 2
4. 10 - 3 %2b 9
5. 19 - 6 %2b 0
6. 15 - 5 %2b 1
7. 11 - 4 %2b 2
8. 11 - 6 %2b 9
9. 17 - 8 %2b 6
10. 14 - 6 %2b 11
11. 12 - 9 %2b 5
12. 13 - 7 %2b 6
13. 20 - 11 %2b 9
14. 15 - 6 %2b 8
15. 16 - 8 %2b 2
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