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Arvutamine 20 piires 2

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

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

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