Ответ:
-8 2/9
Пошаговое объяснение:
1) 3 3/12 * 12/27 = 39/12 * 12/27 = 13/1 * 1/9 = 13/9 = 1 4/9
2) -(6 2/3 - 1 4/9) = -6 2/3 + 1 4/9 = -6 6/9 + 1 4/9 = -5 2/9
3) 1/5 * 15 = 15/5 = 3
4) -5 2/9 - 3 = -8 2/9
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Answers & Comments
Ответ:
-8 2/9
Пошаговое объяснение:
1) 3 3/12 * 12/27 = 39/12 * 12/27 = 13/1 * 1/9 = 13/9 = 1 4/9
2) -(6 2/3 - 1 4/9) = -6 2/3 + 1 4/9 = -6 6/9 + 1 4/9 = -5 2/9
3) 1/5 * 15 = 15/5 = 3
4) -5 2/9 - 3 = -8 2/9