Question

решить уравнение: Х+71 6/13=72

Answer 1

X + 71 6/13 = 72
X = 72 - 71 6/13
X = 71 13/13 - 71 6/13
X = 7/13
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Проверка
7/13 + 71 6/13 = 72
71 13/13 = 72
72 = 72