(16/x-2)+x-2=8не знаю, как решить,помогите пожалуйста

8 - 2x ≥ 0 
2x ≤ 8 
x ≤ 4 
( - ∞ ; 4 ]

<span><span><span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span> 6 </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span> к </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span> и </span><span>   </span><span> 4 </span><span>   </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span> 5 </span><span> д </span><span> е </span><span> с </span><span> я </span><span> т </span><span> и </span><span> ч </span><span> н </span><span> ы </span><span> е </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span> а </span><span>   </span><span> и </span><span>   </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span> 3 </span><span>   </span><span>   </span><span>   </span><span> й </span><span>   </span><span> с </span><span>   </span><span> 2 </span><span>   </span><span>   </span></span><span><span> 10 </span><span> д </span><span> р </span><span> о </span><span> б </span><span> ь </span><span>   </span><span> 7 </span><span>   </span><span>   </span><span> л </span><span>   </span><span> д </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span> о </span><span>   </span><span>   </span><span> н </span><span>   </span><span>   </span><span> и </span><span>   </span><span> о </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span> 1 </span><span> з </span><span> н </span><span> а </span><span> м </span><span> е </span><span> н </span><span> а </span><span> т </span><span> е </span><span> л </span><span> ь </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span> ф </span><span>   </span><span>   </span><span> п </span><span>   </span><span>   </span><span> е </span><span>   </span><span> и </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span> и </span><span>   </span><span>   </span><span> р </span><span>   </span><span>   </span><span> л </span><span>   </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span> с </span><span>   </span><span>   </span><span> а </span><span>   </span><span>   </span><span> ь </span><span>   </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span> в </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span> и </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span> 9 </span><span> п </span><span> л </span><span> а </span><span> н </span><span> у </span><span> д </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span> ь </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span> 8 </span><span> о </span><span> б </span><span> ы </span><span> к </span><span> н </span><span> о </span><span> в </span><span> е </span><span> н </span><span> н </span><span> ы </span><span> е </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span> а </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span></span><span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span> я </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span><span>   </span></span></span></span>

1.      Математическое выражение, стоящее под знаком обыкновенной дроби.

2.      Как на Руси называли дроби?

3.      Кто впервые в Европе ввёл десятичные дроби?

4.      Математическое выражение, стоящее над знаком обыкновенной дроби.

5.      Формат дроби.

6.      В какой стране впервые встречаются десятичные дроби?

7.      Как называется эта дробь 9/8 ?

8.      Формат дроби.

9.      Греческий математик, который ввёл слова «числитель» и «знаменатель» в оборот?

10.  Число, состоящее из одной или несколько частей (долей) единицы?

<span>8*2=16- надо потратьть</span>

а) 7890= 7 т.  890 ед.,
35006= 3 д.т. 5006 ед., 
105090 = 105  с .  90 ед .
            б) 56 т. 9 ед. = 56009 ., 
 1 млн . 2 т . = 1002000. 
            в) 789900 м  = 789 км . 900 м .,
65015 мм + 650 дм . 15 мм , 804506 дм . = 80 км. 4506 дм. 
          г) 6 т . 78 ц. = 13800 кг , 
3 т. 65 кг . = 3065000г