Question

упростить выражение 28a/c^3 : (4a^2C)

Answer 1

$\frac{28a}{c^3} :(4a^2c)= \frac{28a}{c^3}* \frac{1}{4a^2c} = \frac{7}{c^3} *\frac{1}{ac}= \frac{7}{ac^4}$