Пошаговое объяснение:
5/12 - (-1/12) = 1/2
-4/9 - 2/3 = -1 1/9
-7/15 - (-2/15) = -1/3
-2/15 - (-7/15) = 1/3
-1 3/8 - 1/4 = -1 5/8
1 5/11 - 2 3/22 = -15/22
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Пошаговое объяснение:
5/12 - (-1/12) = 1/2
-4/9 - 2/3 = -1 1/9
-7/15 - (-2/15) = -1/3
-2/15 - (-7/15) = 1/3
-1 3/8 - 1/4 = -1 5/8
1 5/11 - 2 3/22 = -15/22