Question Number 81769 by Power last updated on 15/Feb/20
Commented by mr W last updated on 15/Feb/20
$${x}={y}={z}={t}=\mathrm{1} \\ $$
Commented by Power last updated on 15/Feb/20
$$\mathrm{x},\mathrm{y},\mathrm{z},\mathrm{t}\in\mathrm{N}\:\:\:\mathrm{find}\:\:\mathrm{x},\mathrm{y},\mathrm{z},\mathrm{t}\:\:? \\ $$