Question

а
срочно решите
по этарно ​

Answer 1

$\frac{3.5 - (4.9 - 4.6)}{2 \times (4.5 - 3.6)} = \frac{3.5 - 0.3}{2 \times 0.9} = \frac{3.2}{1.8} = 1.7$