Пошаговое объяснение:
12 + (-20) - (-11) + 18 - (-6) - 10 =
12 - 20 + 11 + 18 + 6 - 10 =
(12 + 18) + (-20 - 10) + 18 + 6 =
30 + (-30) + 24 = 30 - 30 + 24 = 24
3 5/12 - (-1 1/3) + (-3/8) - (-2 1/4) - 5 5/6 =
3 5/12 + 1 1/3 - 3/8 + 2 1/4 - 5 5/6 =
3 10/24 + 1 8/24 - 9/24 + 2 6/24 - 5 20/24 =
4 18/24 - 9/24 + 2 6/24 - 5 20/24 =
4 9/24 + 2 6/24 - 5 20/24 =
6 15/24 - 5 20/24 = 5 39/24 - 5 20/24 = 19/24
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Пошаговое объяснение:
12 + (-20) - (-11) + 18 - (-6) - 10 =
12 - 20 + 11 + 18 + 6 - 10 =
(12 + 18) + (-20 - 10) + 18 + 6 =
30 + (-30) + 24 = 30 - 30 + 24 = 24
3 5/12 - (-1 1/3) + (-3/8) - (-2 1/4) - 5 5/6 =
3 5/12 + 1 1/3 - 3/8 + 2 1/4 - 5 5/6 =
3 10/24 + 1 8/24 - 9/24 + 2 6/24 - 5 20/24 =
4 18/24 - 9/24 + 2 6/24 - 5 20/24 =
4 9/24 + 2 6/24 - 5 20/24 =
6 15/24 - 5 20/24 = 5 39/24 - 5 20/24 = 19/24