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Drill problems 13 Multiplying two numbers whose difference is 2 or 4 |
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11. 17 x 15 = 12. 54 x 56 = 13. 89 x 91 = 14. 3.6 x 3.4 = 15. 14 x 1.6 = 16. 6.1 x 5.9 = 17. 76 x 0.74 = 18. 140 x 1.6= 19. 49 x 5.1 = 20. 6.4 x 66 = |
1. 18 x 22 = 2. 11 x 15 = 3. 47 x 43 = 4. 92 x 88 = 5. 15 x 11 = 6. 73 x 77 = 7. 48 x 52 = 8. 12 x 16 = 9. 27 x 23 = 10. 102 x 98 = |
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1. 29 x 31 = 2. 12 x 14 = 3. 36 x 34 = 4. 81 x 79 = 5. 11 x 13 = 6. 84 x 86 = 7. 39 x 41 = 8. 23 x 25 = 9. 26 x 24 = 10. 101 x 99 = |
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11. 18 x 14 = 12. 63 x 67 = 13. 88 x 92 = 14. 3.7 x 3.3 = 15. 13x 1.7 = 16. 7.2 x 6.8 = 17. 97 x 0.93 = 18. 110 x 1.5 = 19. 38 x 4.2 = 20. 5.3 x 57 = |
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