Преобразуйте в дробь выражение:
1)2y-(4y^2)/(2y-1)-1
2)((5a^2)/(5ab-b^2))-(b/25a-5b))
ОЧЕНЬ СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1)2y-(4y^2)/(2y-1)-1
2)((5a^2)/(5ab-b^2))-(b/25a-5b))
ОЧЕНЬ СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Answers & Comments
5a²/ (5ab-b²) - (b/25a - 5b) =( 5a² ×5 - b ×b) / 5b (5a-b)= 25a² - b² / 5b(5a-b)= (5a-b)(5a+b) / 5b(5a-b) = 5a+b / 5b