Ответ:
В) не знаю простииииииииии
Объяснение:
(2/3b)+(3/b)=(2/3b)+(9/3b)=11/3b
(2/(4-y))-(y/(y²-16))=(2/(4-y))+(y/(16-y²))=(2/(4-y))+(y/(4-y)()4+y)=
=(2(4+y)/(4+y)(4-y))+(y/(4-y)(4+y)=(8+2y+y)/(16-y²)=(8+3y)/(16-y²)
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Answers & Comments
Ответ:
В) не знаю простииииииииии
Ответ:
Объяснение:
(2/3b)+(3/b)=(2/3b)+(9/3b)=11/3b
(2/(4-y))-(y/(y²-16))=(2/(4-y))+(y/(16-y²))=(2/(4-y))+(y/(4-y)()4+y)=
=(2(4+y)/(4+y)(4-y))+(y/(4-y)(4+y)=(8+2y+y)/(16-y²)=(8+3y)/(16-y²)