Question

Сделайте пжжжжжжжжжжжжжжж

Answer 1

$c) 93^{2} -186*53+ 53^{2}=8649-9858+2809 =1600$
$d) \frac{ 39^{2}- 18^{2} }{ 35^{2}-256 }= \frac{1197}{969} = \frac{21}{17}$