Question

помогите решить!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

$\left(\frac16-1\frac23\cdot0,2\right):\frac3{20}+\frac15=\left(\frac16-\frac53\cdot\frac15\right)\cdot\frac{20}3+\frac15=\left(\frac16-\frac13\right)\cdot\frac{20}3+\frac15=\\\\=-\frac16\cdot\frac{20}3+\frac15=-\frac{10}9+\frac15=-\frac{50}{45}+\frac9{45}=-\frac{41}{45}$