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53 + 25= - 78, 26 + 43= - 69, 71 + 18= - 89, 44 + 32= - 76, 25 + 21= - 46, 62 + 31= - 93, 13 + 55= - 68, 26 + 33= - 59, 37 + 42= - 79, 13 + 42= - 55,

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