Ответ:
17
Объяснение:
(6a+7b)/(3a-4b) = (6*20+7*12)/(3*20-4*12) = (120+84)/(60-48) = 204/12 = 102/6 = 51/3 = 17
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Ответ:
17
Объяснение:
(6a+7b)/(3a-4b) = (6*20+7*12)/(3*20-4*12) = (120+84)/(60-48) = 204/12 = 102/6 = 51/3 = 17