Question

Найди значение выражения 2/tz−t/2z, если t=22,16−10,46, а z=42−39,5

Answer 1

t=22.16-10.46=11.7
z=42-39.5=2.5

$frac{2}{tz}-frac{t}{2z}=frac{2}{11.7*2.5}-frac{11.7}{2*2.5}=frac{2}{29.25}- frac{11.7}{5}=frac{2}{29.25}-frac{68.445}{29.25}=-frac{66.445}{29.25}$ ≈-2.27