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| 90 - 81 = | 35 - 4 = | 5 × 6 = | 4 ÷ 4 = |
| 90 - 71 = | 3 × 2 = | 46 + 37 = | 100 - 62 = |
| 12 + 87 = | 55 + 35 = | 4 × 2 = | 24 ÷ 4 = |
| 94 - 77 = | 30 ÷ 6 = | 2 × 5 = | 100 - 72 = |
| 24 ÷ 4 = | 16 ÷ 4 = | 86 - 79 = | 89 + 11 = |
| 5 × 1 = | 10 ÷ 5 = | 1 + 23 = | 1 × 6 = |
| 21 + 78 = | 38 + 23 = | 12 ÷ 2 = | 4 ÷ 4 = |
| 6 × 4 = | 6 ÷ 3 = | 84 - 78 = | 59 + 27 = |
| 38 + 15 = | 4 × 6 = | 1 + 48 = | 72 - 54 = |
| 6 × 1 = | 3 ÷ 3 = | 28 - 3 = | 1 + 43 = |
| 82 - 13 = | 6 × 2 = | 66 + 34 = | 6 × 3 = |
| 56 + 25 = | 86 - 1 = | 65 + 29 = | 47 + 46 = |
| 12 ÷ 6 = | 79 - 78 = | 6 × 6 = | 24 ÷ 6 = |
| 81 - 16 = | 99 - 68 = |
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