487 - ____ = 447, 40, 581 - _____ = 491, 90, 605 - _____ = 595, 10, _____ - 90 = 401, 491, _____ - 60 = 766, 826, _____ - 60 = 294, 354, 86 - 33 = ____, 53, 229 - 109 = ____, 120, 491 - 10 = ____, 481.

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