Question

скоротити дріб!!!!!!!!!!!!!!!!!!​

Answer 1

Объяснение:

$5) \frac{ - 10c {}^{2} }{ {15c}^{4} } = - \frac{2}{3 {c}^{2} } \\ 6) \frac{14 {x}^{3} {y}^{5} }{ - 7 {x}^{2}y } = \frac{2x {y}^{4} }{ - 1} = - 2x {y}^{4} \\ 7) \frac{18 {c}^{2} {b}^{3} }{27a {c}^{8} {b}^{3} } = \frac{2}{3ac {}^{6} } \\ 8) \frac{ - 18bx {}^{4} {y}^{3} }{ - 42x {y}^{8} } = \frac{3b {x}^{3} }{7 {y}^{5} }$