1). 5/9:х=-2/18

2). 13×32+26×32
_______________

47×39+17×39

. Say what you must/mustn’t:

1.         wear a seat belt

2.         look both ways when you cross the road

3.         walk on the pavement

4.         talk to the driver

5.         run onto the road

6.         lean out of the window