1. Don't go straight

2. Don't pass the bank

3. Don't cross the road

4. Don't turn left

5. Don't walk to the corner

6. Don't look at the map

7. Let them stop

8. Go tomorrow 

9. Have a shower

10. Jump up now

-(-300)+(-210)-907+107

= 300 - 210) - 907 +107

= ( 300 - 210 ) - ( 907 - 107 ) 

= 90 - 800

=-800 +  90

=-710

chữ số mà bạn

chữ số mà bạn

chữ số mà bạn

My favourite sport is football. Football is the most popular sport in the world. It is a team sport. The football match usually has eleven footballer. And it usually lasts for 90 minutes for an offical football match. Football is easy because we only need a ball to play. I usually play football in the school yard and i play with my friends. I like playing football because it is very good for health and i can keep the shape. And And my dream is to become a professional player.Thank you for reading.

B=-23(53+18)+53(18+23)

B=-23*53+(-23)*18+53*18+53*23

B=53(23-23)+18(53-23)

B=0+18*30

B=540