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41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 61. 62. 63. 64. 65. 66. 67. 68. 69. 70. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 30. 71. 29. 72. 28. 73. 27. 74. 26. 75. 25. 76. 24. 77. 23. 78. 22. 79. 21. 80.

kyle-vazquez
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  1. 41 42 43 44 45 46 47 48 49 50 31 32 33 34 35 36 37 38 39 40 61 62 63 64 65 66 67 68 69 70 51 52 53 54 55 56 57 58 59 60 30 71 29 72 28 73 27 74 26 75 25 76 24 77 23 78 22 79 21 80 20 81 Multiply and Divide with 8 and 7 19 82 18 83 17 84 16 85 15 86 14 87 13 88 12 89 11 90 10 91 9 92 8 93 7 94 6 95 5 96 4 97 3 98 2 99 1 100

  2. 41 42 43 44 45 46 47 48 49 50 31 32 33 34 35 36 37 38 39 40 61 62 63 64 65 66 67 68 69 70 51 52 53 54 55 56 57 58 59 60 30 71 29 72 72 48 40 32 56 64 28 73 27 74 26 75 25 76 24 77 24 • 4s count-bys: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 23 78 22 79 80 21 80 20 81 8 ÷ 1 = 16 ÷ 2 = 24 ÷ 3 = 32 ÷ 4 = 40 ÷ 5 = 48 ÷ 6 = 56 ÷ 7 = 64 ÷ 8 = 72 ÷ 9 = 80 ÷ 10 = 19 82 8 ÷ 8 = 16 ÷ 8 = 24 ÷ 8 = 32 ÷ 8 = 40 ÷ 8 = 48 ÷ 8 = 56 ÷ 8 = 64 ÷ 8 = 72 ÷ 8 = 80 ÷ 8 = 8 8 8 8 8 8 8 8 8 8 1 2 3 4 5 6 7 8 9 10 1 × 8 = 8 2 × 8 = 16 3 × 8 = 24 4 × 8 = 32 5 × 8 = 40 6 × 8 = 48 7 × 8 = 56 8 × 8 = 64 9 × 8 = 72 10 × 8 = 80 18 83 17 84 16 85 16 15 86 14 87 13 88 12 89 11 90 10 91 9 92 8 93 8 7 94 6 95 5 96 4 97 3 98 2 99 1 100

  3. 41 42 43 44 45 46 47 48 49 50 31 32 33 34 35 36 37 38 39 40 61 62 63 64 65 66 67 68 69 70 51 52 53 54 55 56 57 58 59 60 30 71 29 72 70 63 42 35 49 56 28 28 73 27 74 26 75 25 76 24 77 23 78 22 79 21 80 21 20 81 7 ÷ 1 = 14 ÷ 2 = 21 ÷ 3 = 28 ÷ 4 = 35 ÷ 5 = 42 ÷ 6 = 49 ÷ 7 = 56 ÷ 8 = 63 ÷ 9 = 70 ÷ 10 = 19 82 7 ÷ 7 = 14 ÷ 7 = 21 ÷ 7 = 28 ÷ 7 = 35 ÷ 7 = 42 ÷ 7 = 49 ÷ 7 = 56 ÷ 7 = 63 ÷ 7 = 70 ÷ 7 = 7 7 7 7 7 7 7 7 7 7 1 2 3 4 5 6 7 8 9 10 1 × 7 = 7 2 × 7 = 14 3 × 7 = 21 4 × 7 = 28 5 × 7 = 35 6 × 7 = 42 7 × 7 = 49 8 × 7 = 56 9 × 7 = 63 10 × 7 = 70 18 83 17 84 16 85 15 86 14 87 14 13 88 12 89 11 90 10 91 9 92 8 93 7 94 7 6 95 5 96 4 97 3 98 2 99 1 100

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