Question

Dacă x supra y = z supra t, află 10- xt supra yz

Pls
Dau coroana

Answer 1

$\frac{x}{y} = \frac{z}{t}$

$xt = yz$

$10 - \frac{xt}{yz} = 10 - \frac{xt}{xt} = 10 - \frac{yz}{yz} = 10 - 1 = 9$