Ответ:
a) -1,3 + (2,8 - 3,1) = -1,3 + 2,8 - 3, 1 = -1,6
б) -1/3 - (1/6 + 5/12) = -1/3 - 1/6 - 5/12 = 11/12
в) 1/4 - (-3/8 + 11/16) = 1/4 + 3/8 - 11/16 = 1/16
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Ответ:
a) -1,3 + (2,8 - 3,1) = -1,3 + 2,8 - 3, 1 = -1,6
б) -1/3 - (1/6 + 5/12) = -1/3 - 1/6 - 5/12 = 11/12
в) 1/4 - (-3/8 + 11/16) = 1/4 + 3/8 - 11/16 = 1/16