\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
5678, 5687,5768,5786,5876,5867,6578,6587,6758,6785,6875,6857,7865,7856,
7658,7685,7568,7586,8765,8756,8657,8675.,8576,8567.
<span>1).
√x−2=14
</span><span>(√x−2)</span>² <span>= 14</span>²
х - 2 = 196
х = 196 + 2
х = 198
Ответ: х=198
2).
√4<√7<√9
2< √7 <3
9 = -6х + 12
-3 = -6х
х = 1/2
при х=0,5
18 = -6х + 12
6 = -6х
х = -1
при х=-1
42 = -6х + 12
30 = -6х
х = -5
при х=-5