Тачно: 21 + 34 = 55, 32 + 58 = 90, 45 + 41 = 86, 39 - 11 = 28, 78 - 15 = 63, 62 + 25 = 87, 89 - 18 = 71, 76 - 44 = 32, 77 + 23 = 100, 65 - 24 = 41, 54 + 26 = 80, 89 - 45 = 44, 95 - 23 = 72, 22 + 46 = 68, 36 + 41 = 77, 38 + 42 = 80, 24 + 63 = 87, 53 - 32 = 21, 77 - 51 = 26, 34 + 34 = 68, 86 - 50 = 36, 40 + 53 = 93, 53 - 30 = 23, 40 + 37 = 77, 36 + 50 = 86, 78 - 31 = 47, 25 + 24 = 49, 88 - 36 = 52, 53 + 14 = 67, 28 + 42 = 70, Нетачно: 21 + 34 = 56, 58 - 26 = 31, 64 + 16 =70, 69 - 25 = 54, 27 + 22 = 39, 96 - 42 = 64, 35 + 54 = 79, 36 + 50 = 87, 67 - 24 = 44, 58 + 42 = 90, 45 - 35 = 11, 27 + 61 = 87, 69 - 23 = 45, 16 + 51 = 57, 85 + 14 = 98, 50 + 23 = 53, 40 + 31 = 70, 65 - 20 = 55, 36 + 21 = 56, 34 + 52 = 88, 62 + 25 = 77,  63 + 27 = 100, 25 + 44 = 68, 55 + 23 = 88, 89 - 26 = 64, 95 - 60 = 25, 97 - 25 = 71, 84 - 33 = 41, 77 - 46 = 21, 89 - 35 = 64,

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