Пусть 5< х< 8. Оцените:
1) 2х 2)-4х 3)х-3 4)2х+1 5) 1
---
х
10<2х<span><16</span>
-32<-4х<span><-20</span>
2<х-3<span><5</span>
11<2х+1<span><17</span>
1\8<1\х<span><1\5</span>
10<2x<16</u>
20<4x<32</p>
-32<-4x<-20</u>
2
11<2x+1<17</u>
1/8<1/х<1/5</u>