1) \frac{9 {x}^{2} }{5 {y}^{3} } \div \frac{27 {x}^{5} }{2 {y}^{4} } \times \frac{15}{4y(x - 1) } = \frac{9 {x}^{2} }{5 {y}^{3} } \div \frac{27 {x}^{5} }{2 {y}^{4} } \times \frac{15}{4y(x - 1) } = sálem ​

Вероника1306    2   03.09.2020 20:56    1