Сократите дроби и приведите их к наименьшему общему знаменателю: 
1) 18/30 и 15/18
2) 28/40 и 10/45
3) 49/105 и 27/36
4) 60/90 и 15/50
5) 10/20, 8/24 и 9/45
6) 22/44, 24/30 и 27/36 

Какую информацию мы получаем с пмощью осязания

11)Arthur Little is a ...

a) reporter  b) sportsman  c) writer  d) football fan.

12) Our Planet has lots of ...

a) CDs B) pictures c) fans d) children

13) high school horror is a ...

a) present   b)bestseller c) copy d) photograph

14) Cruella Cadaver writes for ...

a) adults b) teenagers c) kids d) football fans

15) high school horror is ... than the same book on CD

a)more cheaper      b)more expensive

c)cheaper                  d) as cheap as