x + 3 = 7

x       =7-3

x       =4

x = 4

c) 1500 m = 1,5 km                           

7km 5 hm = 7500m

3 km 8m = 3008 m                     

3 m 5 dm = 3500mm

chắc là tìm x á bạn!

VI. Make sentences with “I wish…” based on the given situation

1. What a pity! You aren’t here with us now.  I wish you were here with us now.

2. The naughty boys always draw on the wall  I wish the naughty didn't draw on the wall

3. I’d like my father to give up smoking.  i wish my father gave up smoking

4. He doesn’t help his mother with housework. his mother wishes he helped her with housework

5. I can’t swim.  i wish i could swim

6. My friends often go on a camping trip without me. I wish my friends went on camping trip with me

7. I must go now. I wish I didn't have to go now

8. He always goes to school late. I wish he didn't go to school late

9. My brother is too short to play basketball. I wish my brother were tall enough to play basketball

10. I don’t have enough money to help you. I wish I had enough money to help you

BCNN ( 30 , 45) = 90

BC ( 30 , 45 ) = B ( 90 ) = ( 0; 90; 180; 270…)

Vậy các bội chung nhỏ hơn 500 của 30 và 45 là: 0; 90; 180

I/. Underline the mistakes and write the correct answer in the space
provided.(5pts)
1. It takes Huy three hours doing =>to do his homework every evening.
A B C D
2. There is fewer =>less work in the evening than there is in the morning.
A B C D
3. Would you like going=>to go  to the movies with us tonight

đọc bài

-2/3<0