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МатематикаВопрос:
16) (3y-...)² = ... - ... +16c²
Ответ:
The expression is of the form (a-b)², where a=3y and b²=16c². Thus, b=4c. (3y-4c)² = (3y)² - 2(3y)(4c) + (4c)² = 9y² - 24yc + 16c². The missing terms are 9y² and 24yc.
Похожие
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