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Anyamore1750
@Anyamore1750
July 2022
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Помогите !) Срочно!!!)))
Сократите дробь
а2-14а+49/а2-49 при а= -14
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NochnayaArhideya
____________________________
1 votes
Thanks 6
UndeadMoose
В обеих частях дроби-формула сокр.умножения
тогда (а-7)^2\(a-7)(a+7)
сокращаем
(a-7)\(a+7)
подставляем:
-21\-7=3
0 votes
Thanks 2
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Answers & Comments
тогда (а-7)^2\(a-7)(a+7)
сокращаем
(a-7)\(a+7)
подставляем:
-21\-7=3