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sumbeerg
@sumbeerg
July 2022
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Помогите пожалуйста!!!
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m11m
Verified answer
88.
[(ac-a²)/c²] : [(c-a)/c] = [a(c-a)/c²] * [c/(c-a)] =a/c
101.
[(2b-4b²)/(b+1)] * [(b+1)/2b²] = 2b(1-2b) / 2b² = (1-2b)/b
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Answers & Comments
Verified answer
88.[(ac-a²)/c²] : [(c-a)/c] = [a(c-a)/c²] * [c/(c-a)] =a/c
101.
[(2b-4b²)/(b+1)] * [(b+1)/2b²] = 2b(1-2b) / 2b² = (1-2b)/b