(285-(х:14-481)):6=36
(285-(х:14-481)):6=36 285-(х:14-481)=36 *6 285-(х:14-481)=216 х:14-481=285-216 х:14=69+ 481 х:14=550х= 550 * 14 х= 7700
285-(х:14-481)=36*6 285-(х:14-481)=216 х:14-481=285-216 х:14-481=69 х:14=481+69 х:14=550 х=550*14 х=7700