10 4/7 × (-2 11/12) = 74/7 × (-35/12) = - (37·5)/(1·6) = - 185/6 = - 30 5/6
Ответ: - 30 целых 5/6.
Пояснения:
10 4/7 = (10·7+4)/7 = 74/7
2 11/12 = (2·12+11)/12 = 35/12
74 и 12 сократили на 2
7 и 35 сократили на 7
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Verified answer
10 4/7 × (-2 11/12) = 74/7 × (-35/12) = - (37·5)/(1·6) = - 185/6 = - 30 5/6
Ответ: - 30 целых 5/6.
Пояснения:
10 4/7 = (10·7+4)/7 = 74/7
2 11/12 = (2·12+11)/12 = 35/12
74 и 12 сократили на 2
7 и 35 сократили на 7