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<p>1 2 3 4 5 = 2 3 4 = 5 1 x 2 = 2 2 x 2 = 4 3 x 2 = 6 = 8 5 x 2 = 10 3 = 6 = 9 = 12 5 x 3 = 15 4 8 12 16 = 20 5 2 x 5 = 10 3 x 5 = 15 = 20 = 25 = 12 = 18 = 24 = 30 = 14 = 21 = 28 5 x 7 = 35 8 = 16 = 24 = 32 = 40 1 x 9 18 27 36 45 1 x = 10 2 x 10 = 20 3 x 10 = 30 4 x 10 = 40 5 10 = 50 6 7 9 10 8 10 = 10 6 x 2 = 12 = 14 8 x 2 = 16 = 18 10 6 x 3 = 18 = 21 8 x 3 = 24 = 27 10 3 = 30 6 = 24 = 28 = 32 9 = 36 10 4 = 40 6 x 5 30 35 40 45 10 5 50 6 x 6 = 36 = 42 = 48 = 54 10 = 60 6 = 42 = 49 = 56 = 63 10 x 7 = 70 6 = 48 = 56 = 64 = 72 10 8 = 80 6 x 9 = 54 = 63 8 = 72 = 90 6 x 10 = 60 = 70 8 x 10 = 80 9 x 10 = 90 10 x 10 = 100 12 13 15 11 12 x 1 = 12 13 = 13 15 = 15 = 24 13 x 2 = 26 2 30 12 x 3 = 36 = 42 = 45 11 44 12 x 4 48 13 x 4 52 56 15 4 60 11 5 = 55 = 60 = 65 = 70 5 = 75 11 6 = 66 = 72 = 78 = 84 6 = 90 11 = 77 12 x 7 = 84 13 x 7 = 91 = 98 15 = 105 = 88 12 x 8 = 96 13 x 8 = 104 = 112 = 120 99 108 13 x 9 = 117 = 126 = 135 11 10 = 110 12 x 10 = 120 13 x 10 = 130 14 10 = 140 15 10 = 150 16 17 18 19 20 16 = 16 17 = 17 18 x 1 = 18 = 19 20 x 1 = 20 16 2 = 32 17 x 2 = 34 = 36 = 38 20 x 2 = 40 = 48 51 = 54 = 57 = 60 16 x 4 = 64 = 68 = 72 = 76 4 = 80 = 80 = 85 = 90 = 95 5 = 100 16 = 96 = 102 = 108 = 114 120 16 7 = 112 = 119 = 126 19 = 133 7 = 140 16 x 8 128 136 . 144 152 8 = 160 16 = 144 = 153 = 162 = 171 = 180 = 160 = 170 18 x 10 = 180 = 190 20 x 10 = 200</p>