Question

ПОМОГИТЕ СРОЧНО.. Алгебра 8 класс

Answer 1

$(3 - \frac{m}{v} ) \div (3 + \frac{m}{v} ) = \frac{3 - \frac{m}{v} }{ \frac{m}{v} + 3 } = \frac{3v}{v} + \frac{m}{v} = 3 - \frac{m}{v} = \frac{3v}{v} - \frac{m}{v} = \frac{3v - m}{\frac{v}{} } \times \frac{v}{3v + m} = \frac{v}{v} \times \frac{3v - v}{3v + v} = \frac{3v - m}{3v + m}$