2022年乘除法口诀口算练习

1、1. 7 x 5 = 8 x 8 = word 文档3 x 4 = 35 7 = 2. 6 x 9 = 72 8 = 56 7 = 12 2 = 3. 6 x 8 = 40 8 = 4 x 9 = 4 x 8 = 4. 16 4 = 7 x 9 = 72 8 = 40 5 = 5. 7 x 9 = 56 7 = 21 3 = 5 x 4 = 6. 54 6 = 35 7 = 5 x 8 = 3 x 2 = 7. 10 2 = 84 = 3 x 3 = 3 x 7 = 8. 5 x 7 = 24 3 = 24 6 = 48 8 = 9. 2 x 4 = 8 x 3 = 4 x 8 = 63 9

2、= 10. 10 2 = 12 4 = 6 x 4 = 7 x 7 = 11. 63 9 = 9 x 4 = 2 x 3 = 36 4 = 12. 12 3 = 8 2 = 14 2 = 7 x 8 = 13. 9 x 3 = 8 x 6 = 40 5 = 14 7 = 14. 35 5 = 14 7 = 9 x 6 = 10 5 = 15. 5 x 9 = 18 9 = 6 x 2 = 2 x 6 = 16. 9 x 8 = 16 8 = 5 x 2 = 2 x 2 = 17. 3 x 6 = 7 x 3 = 21 7 = 7 x 8 = 18. 20 4 = 2 x 7 = 56 7 =

3、28 4 = 19. 8 x 4 = 9 x 7 = 54 6 = 28 7 = 20. 35 7 = 3 x 6 = 15 3 = 6 x 3 = 21. 16 2 = 16 8 = 4 x 3 = 4 x 4 = 22. 9 x 3 = 6 x 6 = 24 3 = 9 x 4 = 23. 2 x 6 = 7 x 3 = 16 4 = 4 x 8 = 24. 3 x 9 = 7 x 4 = 3 x 5 = 6 x 8 = 可编辑第 1 页,共 15 页25. 10 2 = 9 x 3 = word 文档56 7 = 8 x 5 = 1. 49 7 = 36 6 = 7 x 4 = 6 2

4、= 2. 7 x 4 = 4 x 3 = 3 x 5 = 9 x 6 = 3. 3 x 6 = 16 2 = 27 9 = 8 x 2 = 4. 24 4 = 5 x 5 = 18 6 = 6 x 3 = 5. 3 x 9 = 18 2 = 24 3 = 6 x 4 = 6. 48 6 = 5 x 6 = 54 9 = 8 x 4 = 7. 4 2 = 5 x 2 = 8 x 7 = 72 8 = 8. 35 7 = 48 8 = 81 9 = 6 x 3 = 9. 56 8 = 8 x 7 = 48 8 = 12 6 = 10. 4 x 3 = 8 x 3 = 9 x 6 = 24 4 =

5、11. 28 7 = 7 x 8 = 5 x 9 = 6 x 8 = 12. 3 x 8 = 27 9 = 2 x 7 = 10 2 = 13. 14 7 = 42 = 36 6 = 3 x 7 = 14. 6 x 4 = 2 x 7 = 18 9 = 4 x 4 = 15. 20 4 = 56 7 = 2 x 7 = 8 x 3 = 16. 64 8 = 54 9 = 48 8 = 9 x 3 = 17. 3 x 8 = 16 2 = 56 8 = 49 7 = 18. 7 x 9 = 3 x 9 = 4 x 2 = 42 = 19. 8 4 = 56 8 = 62 = 24 8 = 20.

6、 2 x 2 = 24 6 = 36 6 = 9 x 8 = 21. 5 x 4 = 9 x 7 = 4 x 5 = 8 4 = 22. 64 8 = 24 6 = 18 3 = 2 x 8 = 23. 36 9 = 2 x 5 = 9 x 6 = 24 8 = 可编辑第 2 页,共 15 页24. 48 6 = 14 2 = word 文档4 x 5 = 30 6 = 25. 54 9 = 35 7 = 8 x 2 = 82 = 1. 6 x 8 = 7 x 4 = 7 x 7 = 8 x 5 = 2. 32 4 = 18 6 = 28 4 = 8 x 9 = 3. 8 x 8 = 18 3

7、 = 9 x 5 = 3 x 4 = 4. 63 7 = 45 9 = 5 x 7 = 9 x 2 = 5. 54 6 = 42 7 = 4 x 4 = 7 x 2 = 6. 9 x 6 = 35 7 = 9 x 2 = 2 x 7 = 7. 3 x 7 = 3 x 9 = 9 x 3 = 6 x 3 = 8. 64 8 = 35 7 = 6 x 6 = 12 2 = 9. 8 x 7 = 36 9 = 8 x 8 = 42 6 = 10. 24 6 = 30 6 = 7 x 6 = 12 6 = 11. 3 x 6 = 4 x 4 = 16 2 = 6 x 6 = 12. 35 5 = 8

8、x 8 = 24 8 = 4 x 7 = 13. 9 x 2 = 56 8 = 20 5 = 5 x 7 = 14. 9 x 3 = 2 x 3 = 2 x 2 = 30 6 = 15. 4 x 3 = 3 x 8 = 4 x 2 = 45 9 = 16. 3 x 2 = 3 x 7 = 16 4 = 40 8 = 17. 5 x 5 = 6 x 7 = 54 6 = 21 7 = 18. 6 x 9 = 18 9 = 14 2 = 8 x 9 = 19. 8 x 7 = 21 7 = 35 7 = 7 x 5 = 20. 9 3 = 32 8 = 45 9 = 24 4 = 21. 16 8

9、 = 54 6 = 9 x 3 = 30 6 = 22. 6 x 7 = 7 x 9 = 9 x 6 = 54 6 = 可编辑第 3 页,共 15 页23. 72 9 = 12 2 = word 文档16 2 = 28 7 = 24. 40 5 = 27 3 = 12 3 = 9 x 3 = 25. 5 x 4 = 20 5 = 16 4 = 21 3 = 1. 21 7 = 4 x 4 = 6 x 5 = 16 4 = 2. 8 x 7 = 6 x 2 = 2 x 4 = 56 7 = 3. 9 3 = 3 x 9 = 2 x 6 = 36 9 = 4. 48 8 = 42 7 = 21 3

10、 = 9 x 3 = 5. 36 4 = 6 x 7 = 2 x 8 = 56 7 = 6. 49 7 = 9 x 2 = 4 x 4 = 21 7 = 7. 18 6 = 3 x 3 = 6 x 5 = 42 = 8. 30 5 = 18 3 = 6 x 7 = 20 5 = 9. 6 2 = 6 x 3 = 6 x 9 = 40 8 = 10. 8 x 7 = 4 2 = 3 x 8 = 8 x 2 = 11. 12 6 = 8 x 5 = 4 x 9 = 2 x 6 = 12. 7 x 8 = 54 6 = 4 x 8 = 6 x 5 = 13. 6 x 4 = 64 8 = 2 x 6

11、 = 4 x 7 = 14. 3 x 7 = 56 8 = 8 x 9 = 8 x 5 = 15. 5 x 9 = 9 x 3 = 42 7 = 5 x 7 = 16. 4 x 9 = 10 5 = 8 x 5 = 12 4 = 17. 3 x 4 = 36 6 = 35 7 = 5 x 3 = 18. 40 8 = 2 x 8 = 45 9 = 20 4 = 19. 9 x 4 = 56 8 = 4 x 4 = 18 2 = 20. 14 2 = 8 x 2 = 16 2 = 54 9 = 21. 36 9 = 3 x 2 = 16 4 = 7 x 5 = 可编辑第 4 页,共 15 页22

12、. 12 3 = 6 x 8 = word 文档7 x 8 = 9 x 7 = 23. 9 x 9 = 3 x 2 = 16 2 = 2 x 9 = 24. 6 x 6 = 72 8 = 36 4 = 35 7 = 25. 8 x 3 = 6 x 4 = 12 4 = 72 9 = 1. 5 x 8 = 3 x 4 = 9 x 8 = 5 x 7 = 2. 45 5 = 18 6 = 7 x 8 = 35 7 = 3. 12 2 = 9 x 2 = 12 6 = 6 x 9 = 4. 48 6 = 3 x 8 = 36 9 = 3 x 4 = 5. 5 x 5 = 9 x 4 = 36 4 =

13、 6 x 5 = 6. 10 2 = 16 4 = 12 4 = 16 2 = 7. 5 x 5 = 9 x 3 = 9 x 5 = 6 x 4 = 8. 8 x 7 = 9 x 4 = 8 x 9 = 8 x 6 = 9. 16 4 = 56 8 = 63 7 = 4 2 = 10. 3 x 8 = 32 8 = 10 2 = 5 x 5 = 11. 2 x 2 = 5 x 2 = 5 x 8 = 5 x 6 = 12. 24 4 = 3 x 6 = 3 x 4 = 4 2 = 13. 63 9 = 6 3 = 36 4 = 5 x 3 = 14. 2 x 6 = 27 3 = 5 x 6

14、= 7 x 8 = 15. 2 x 2 = 3 x 2 = 14 7 = 8 2 = 16. 7 x 7 = 48 8 = 7 x 4 = 9 x 9 = 17. 36 9 = 62 = 36 4 = 3 x 2 = 18. 6 x 9 = 5 x 5 = 8 x 2 = 16 4 = 19. 6 x 4 = 8 x 5 = 4 x 6 = 6 x 3 = 20. 9 x 7 = 40 5 = 56 7 = 8 x 7 = 可编辑第 5 页,共 15 页21. 18 2 = 9 x 3 = word 文档8 x 5 = 42 6 = 22. 4 x 8 = 5 x 6 = 2 x 6 = 40

15、 5 = 23. 21 7 = 36 4 = 3 x 4 = 5 x 7 = 24. 14 7 = 56 7 = 2 x 2 = 7 x 3 = 25. 42 7 = 45 5 = 81 9 = 2 x 9 = 1. 56 7 = 48 8 = 2 x 9 = 32 8 = 2. 4 x 2 = 6 x 3 = 14 2 = 15 5 = 3. 7 x 6 = 8 x 6 = 8 4 = 4 x 9 = 4. 9 x 4 = 6 x 3 = 2 x 5 = 2 x 7 = 5. 5 x 4 = 3 x 6 = 72 8 = 9 x 6 = 6. 6 x 5 = 6 x 6 = 2 x 2 =

16、2 x 9 = 7. 24 6 = 8 x 7 = 3 x 9 = 49 7 = 8. 4 x 6 = 5 x 7 = 5 x 9 = 30 5 = 9. 2 x 5 = 8 x 6 = 5 x 7 = 2 x 7 = 10. 28 4 = 8 x 9 = 3 x 5 = 7 x 5 = 11. 49 7 = 7 x 6 = 9 x 6 = 2 x 5 = 12. 54 6 = 82 = 32 4 = 5 x 7 = 13. 49 7 = 5 x 3 = 42 6 = 2 x 6 = 14. 4 x 8 = 6 x 7 = 7 x 8 = 16 4 = 15. 12 3 = 2 x 5 = 4

17、 x 4 = 54 6 = 16. 30 6 = 3 x 6 = 5 x 8 = 24 4 = 17. 5 x 5 = 6 x 2 = 7 x 9 = 7 x 3 = 18. 15 5 = 42 7 = 16 2 = 49 7 = 19. 8 x 3 = 7 x 5 = 45 9 = 36 9 = 可编辑第 6 页,共 15 页20. 20 4 = 10 5 = word 文档4 x 7 = 18 6 = 21. 21 7 = 18 2 = 2 x 6 = 28 7 = 22. 8 x 5 = 9 x 8 = 12 6 = 63 = 23. 18 3 = 8 x 6 = 6 x 7 = 3 x

18、 4 = 24. 2 x 4 = 6 x 8 = 72 9 = 72 8 = 25. 9 x 5 = 48 8 = 2 x 8 = 5 x 5 = 1. 24 3 = 4 x 7 = 72 8 = 9 x 4 = 2. 32 4 = 2 x 3 = 40 5 = 7 x 2 = 3. 42 7 = 5 x 9 = 81 9 = 16 4 = 4. 14 2 = 24 4 = 8 x 9 = 2 x 2 = 5. 16 4 = 24 3 = 54 9 = 4 x 7 = 6. 36 4 = 28 4 = 5 x 2 = 15 5 = 7. 5 x 2 = 56 8 = 18 3 = 42 7 =

19、 8. 42 6 = 32 4 = 7 x 7 = 3 x 9 = 9. 7 x 7 = 36 6 = 36 9 = 14 2 = 10. 8 x 9 = 27 9 = 9 x 5 = 8 x 2 = 11. 30 5 = 72 9 = 5 x 9 = 4 x 4 = 12. 6 x 2 = 81 9 = 42 6 = 8 x 5 = 13. 7 x 5 = 4 x 3 = 27 9 = 82 = 14. 2 x 5 = 10 2 = 4 x 2 = 40 5 = 15. 42 6 = 5 x 2 = 35 7 = 48 8 = 16. 21 3 = 27 3 = 28 4 = 24 4 =

20、17. 9 3 = 32 8 = 7 x 2 = 5 x 6 = 18. 9 x 3 = 93 = 81 9 = 21 7 = 可编辑第 7 页,共 15 页19. 9 x 4 = 36 9 = word 文档7 x 2 = 9 x 7 = 20. 42 6 = 8 x 5 = 42 7 = 54 6 = 21. 6 x 9 = 5 x 6 = 4 x 8 = 15 3 = 22. 2 x 3 = 6 x 7 = 2 x 8 = 21 3 = 23. 7 x 4 = 3 x 5 = 63 9 = 2 x 8 = 24. 8 x 8 = 5 x 4 = 15 5 = 35 5 = 25. 30

21、6 = 2 x 5 = 7 x 5 = 4 x 8 = 1. 4 x 4 = 3 x 3 = 56 8 = 27 3 = 2. 10 5 = 20 5 = 9 x 5 = 14 7 = 3. 54 9 = 9 x 6 = 18 9 = 24 3 = 4. 9 x 9 = 8 x 6 = 5 x 9 = 27 3 = 5. 27 3 = 7 x 7 = 3 x 9 = 25 5 = 6. 21 3 = 49 7 = 5 x 9 = 45 9 = 7. 36 9 = 14 2 = 3 x 7 = 5 x 4 = 8. 7 x 4 = 35 5 = 16 4 = 35 7 = 9. 2 x 7 =

22、42 7 = 12 2 = 24 6 = 10. 8 x 5 = 9 x 8 = 3 x 7 = 9 x 3 = 11. 9 x 8 = 8 x 4 = 7 x 6 = 5 x 7 = 12. 8 2 = 2 x 7 = 12 6 = 56 7 = 13. 54 9 = 12 3 = 12 4 = 5 x 6 = 14. 32 4 = 14 2 = 42 = 36 4 = 15. 81 9 = 20 5 = 64 8 = 48 8 = 16. 16 8 = 49 7 = 20 5 = 45 9 = 17. 40 8 = 6 x 8 = 15 5 = 3 x 5 = 可编辑第 8 页,共 15

23、页18. 18 6 = 8 x 5 = word 文档2 x 9 = 4 2 = 19. 6 x 3 = 2 x 7 = 36 4 = 8 x 5 = 20. 6 x 6 = 7 x 2 = 27 9 = 4 x 9 = 21. 8 x 8 = 63 7 = 12 6 = 2 x 3 = 22. 8 x 9 = 5 x 7 = 81 9 = 6 x 4 = 23. 6 x 7 = 5 x 5 = 9 x 7 = 3 x 6 = 24. 7 x 3 = 45 5 = 18 3 = 8 x 7 = 25. 42 7 = 36 4 = 62 = 84 = 1. 24 4 = 7 x 7 = 9 x

24、8 = 15 5 = 2. 35 5 = 42 7 = 2 x 9 = 25 5 = 3. 2 x 6 = 7 x 6 = 3 x 6 = 7 x 8 = 4. 6 x 2 = 56 7 = 3 x 2 = 24 3 = 5. 21 7 = 14 2 = 56 8 = 2 x 9 = 6. 25 5 = 12 4 = 3 x 5 = 15 3 = 7. 6 x 8 = 9 x 8 = 81 9 = 42 6 = 8. 9 x 9 = 4 x 8 = 12 3 = 35 5 = 9. 2 x 8 = 25 5 = 6 x 4 = 9 x 2 = 10. 56 7 = 63 = 4 x 5 = 2

25、5 5 = 11. 48 6 = 5 x 6 = 14 7 = 4 x 7 = 12. 2 x 9 = 8 x 8 = 49 7 = 7 x 5 = 13. 35 5 = 72 8 = 27 9 = 9 x 6 = 14. 81 9 = 12 6 = 8 x 3 = 8 x 7 = 15. 3 x 5 = 18 6 = 6 x 2 = 16 4 = 16. 14 7 = 16 8 = 45 9 = 18 6 = 可编辑第 9 页,共 15 页17. 3 x 6 = 40 5 = word 文档3 x 3 = 10 2 = 18. 56 7 = 24 4 = 3 x 6 = 9 x 4 = 19

26、. 3 x 4 = 7 x 7 = 18 3 = 7 x 9 = 20. 18 2 = 62 = 6 x 8 = 28 7 = 21. 18 9 = 9 x 2 = 63 = 36 9 = 22. 9 x 2 = 9 x 6 = 18 9 = 32 8 = 23. 3 x 7 = 35 5 = 20 4 = 3 x 6 = 24. 7 x 2 = 18 9 = 3 x 8 = 4 x 2 = 25. 8 x 3 = 2 x 8 = 2 x 3 = 9 x 8 = 1. 54 9 = 5 x 6 = 54 6 = 2 x 2 = 2. 8 x 8 = 15 3 = 49 7 = 16 4 = 3

27、. 56 7 = 35 7 = 4 x 5 = 3 x 5 = 4. 40 8 = 14 2 = 2 x 2 = 8 x 7 = 5. 2 x 3 = 2 x 6 = 6 x 6 = 5 x 2 = 6. 9 3 = 32 4 = 12 4 = 32 8 = 7. 5 x 3 = 42 7 = 10 5 = 54 6 = 8. 16 2 = 12 6 = 56 7 = 18 3 = 9. 14 2 = 5 x 2 = 35 5 = 6 x 6 = 10. 6 x 4 = 5 x 7 = 49 7 = 6 x 7 = 11. 8 x 3 = 9 x 3 = 18 2 = 56 7 = 12. 1

28、8 9 = 62 = 56 7 = 8 x 9 = 13. 72 8 = 5 x 2 = 63 9 = 36 9 = 14. 56 8 = 8 x 3 = 27 9 = 20 5 = 15. 7 x 4 = 2 x 4 = 36 9 = 81 9 = 可编辑第 10 页,共 15 页16. 25 5 = 16 4 = word 文档35 7 = 12 6 = 17. 16 8 = 24 3 = 3 x 6 = 2 x 8 = 18. 12 2 = 62 = 28 4 = 36 4 = 19. 28 7 = 9 x 9 = 5 x 2 = 24 4 = 20. 12 2 = 5 x 9 = 3

29、x 9 = 54 9 = 21. 7 x 4 = 54 9 = 4 x 3 = 7 x 2 = 22. 5 x 9 = 42 6 = 6 x 3 = 7 x 7 = 23. 7 x 2 = 5 x 3 = 45 9 = 2 x 4 = 24. 9 x 4 = 5 x 2 = 6 x 4 = 8 x 3 = 25. 9 x 5 = 45 9 = 5 x 8 = 6 x 4 = 1. 24 4 = 18 9 = 54 6 = 12 2 = 2. 35 7 = 3 x 6 = 18 6 = 5 x 6 = 3. 4 x 9 = 45 9 = 12 6 = 10 5 = 4. 9 x 6 = 9 x

30、4 = 9 x 3 = 5 x 6 = 5. 15 5 = 48 8 = 2 x 9 = 14 7 = 6. 9 x 6 = 32 4 = 48 8 = 6 x 8 = 7. 4 2 = 32 8 = 4 x 7 = 7 x 8 = 8. 14 2 = 2 x 9 = 8 x 2 = 5 x 8 = 9. 2 x 8 = 30 6 = 24 4 = 20 4 = 10. 4 x 9 = 12 6 = 28 7 = 15 5 = 11. 42 6 = 4 x 5 = 5 x 9 = 63 9 = 12. 2 x 8 = 54 6 = 3 x 6 = 45 9 = 13. 42 7 = 4 x 8

31、 = 6 x 6 = 8 x 7 = 14. 5 x 4 = 32 8 = 28 4 = 9 3 = 可编辑第 11 页,共 15 页15. 64 8 = 8 x 7 = word 文档4 x 4 = 5 x 4 = 16. 9 x 6 = 6 x 6 = 72 9 = 9 x 5 = 17. 5 x 6 = 8 x 7 = 48 8 = 2 x 2 = 18. 8 x 4 = 27 9 = 4 x 3 = 15 3 = 19. 20 5 = 16 8 = 63 7 = 9 x 4 = 20. 16 2 = 9 x 4 = 56 7 = 45 5 = 21. 27 3 = 18 3 = 36

32、4 = 32 8 = 22. 7 x 6 = 14 2 = 5 x 3 = 82 = 23. 81 9 = 5 x 4 = 6 x 3 = 5 x 7 = 24. 8 x 2 = 62 = 16 4 = 7 x 4 = 25. 8 x 7 = 32 4 = 16 2 = 12 2 = 1. 12 3 = 7 x 9 = 12 6 = 36 6 = 2. 56 7 = 9 x 6 = 6 x 9 = 5 x 5 = 3. 12 4 = 3 x 9 = 2 x 7 = 3 x 2 = 4. 16 8 = 8 x 9 = 6 x 2 = 7 x 2 = 5. 81 9 = 9 x 9 = 8 x 5

33、 = 5 x 6 = 6. 6 x 7 = 18 3 = 7 x 2 = 3 x 3 = 7. 40 5 = 3 x 2 = 3 x 5 = 6 x 8 = 8. 9 x 8 = 9 x 4 = 4 x 4 = 24 3 = 9. 56 7 = 8 x 7 = 12 3 = 30 6 = 10. 21 3 = 7 x 2 = 14 7 = 27 3 = 11. 7 x 2 = 5 x 4 = 21 7 = 5 x 6 = 12. 72 8 = 6 3 = 5 x 2 = 8 x 6 = 13. 8 x 6 = 10 5 = 6 x 3 = 6 3 = 可编辑第 12 页,共 15 页14. 8

34、 x 7 = 5 x 2 = word 文档84 = 6 x 7 = 15. 54 9 = 8 x 9 = 45 9 = 10 2 = 16. 12 6 = 4 x 2 = 8 x 3 = 72 9 = 17. 12 4 = 30 5 = 2 x 2 = 9 x 8 = 18. 40 5 = 8 x 7 = 8 x 2 = 82 = 19. 9 3 = 9 x 7 = 56 7 = 16 8 = 20. 5 x 7 = 6 x 7 = 3 x 2 = 6 x 9 = 21. 20 5 = 62 = 6 x 3 = 45 5 = 22. 10 5 = 16 2 = 16 4 = 7 x 8 =

35、23. 7 x 8 = 5 x 4 = 5 x 3 = 3 x 2 = 24. 35 5 = 36 6 = 15 3 = 8 x 4 = 25. 2 x 5 = 30 6 = 81 9 = 15 3 = 1. 6 x 4 = 84 = 27 3 = 3 x 3 = 2. 15 3 = 6 x 6 = 14 7 = 72 8 = 3. 36 4 = 3 x 2 = 8 x 9 = 14 2 = 4. 14 2 = 15 5 = 9 x 9 = 2 x 9 = 5. 21 7 = 5 x 5 = 10 5 = 54 6 = 6. 27 3 = 7 x 8 = 21 7 = 84 = 7. 72 8

36、 = 9 x 2 = 4 x 7 = 28 4 = 8. 9 x 6 = 12 2 = 5 x 7 = 24 8 = 9. 15 5 = 4 x 7 = 20 4 = 64 8 = 10. 30 6 = 6 x 3 = 6 x 7 = 2 x 8 = 11. 9 x 4 = 63 9 = 12 3 = 40 5 = 12. 3 x 4 = 27 3 = 8 x 6 = 45 9 = 可编辑第 13 页,共 15 页13. 21 3 = 9 x 5 = word 文档18 6 = 35 7 = 14. 4 x 7 = 6 x 3 = 25 5 = 20 5 = 15. 28 7 = 32 8 =

37、 42 7 = 18 9 = 16. 49 7 = 4 x 4 = 12 4 = 72 9 = 17. 9 x 9 = 40 8 = 18 6 = 32 4 = 18. 8 x 4 = 54 6 = 45 9 = 4 x 2 = 19. 4 x 4 = 5 x 7 = 30 5 = 24 4 = 20. 9 x 9 = 9 x 5 = 32 8 = 42 = 21. 10 2 = 2 x 6 = 10 5 = 5 x 4 = 22. 18 2 = 12 4 = 8 x 6 = 32 8 = 23. 15 5 = 24 8 = 42 6 = 54 9 = 24. 10 2 = 3 x 9 = 49