(5a+b+2)2-(5a-b-2)2 gjvjubnt jx yflj

Question

(5a+b+2)2-(5a-b-2)2 gjvjubnt jx yflj

Comments

Это 7 класс?

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да

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я тоже))

Answer 1

10а+2b+4-10a+2b+4=4b+8))))))))))))))))

Comments

cgc

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спс

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нзч