27 + 15 = ?, 41, 42, 43, 44, 38 + 24 = ?, 61, 53, 62, 64, 46 + 17 = ?, 76, 53, 41, 63, 59 + 23 = ?, 31, 82, 22, 16, 68 + 15 = ?, 45, 78, 83, 67, 47 + 36 = ?, 43, 67, 89, 83, □ + 19 = 56, 36, 37, 26, 57, 37 + □ = 75, 25, 46, 38, 18, Which equation equals 82?, 54 + 28, 53 + 28, 45 + 28, 52 + 29, Which equation equals 74?, 37 + 38, 35 + 38, 36 + 38, 39 + 34, Which equation equals 83?, 48 + 34, 49 + 35, 47 + 36, 46 + 36, Which number is missing? - 35 + □ = 64, 27, 30, 28, 29

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