45444474 + 685858 = 46130332

Chiều gì bằng 0,6 chiều dài vậy bạn ?

dựa vào công thức mà làm

Số Hs giỏi lớp 6A chiếm 2 trên 2+3=2/5 số Hs giỏi của 2 lớp 

Khi lớp 6A bớt 3 em thì số Hs lớp 6A chiếm 3 trên 3+7=3/10 Hs giỏi của 2 lớp 

Phân số chỉ 3 Hs lớp 6A là 2/5-3/10=4/10-3/10=1/10 số học sinh giỏi 2 lớp 

Tổng số học sinh giỏi 2 lớp là 3:3/10=30 ( hs)

Số Hs gỏi lớp 6A là 30:2/5=12 học sinh

Số học sinh giỏi lớp 6B là 30-12=18 học sinh

a) 2 

b) 120

1. This morning at 6:am, I ............ A funny game show and I got a present

A. Have taken part in

B. Took part in

C. Take part in

D. Is taking part in

2. Can you help me to buy some eggs because I .......... noodles, I can go out

A. Have cooked

B. Cooked

C. Cook

D. Is cooking=>am cooking chứ

9. He......... back this morning. Now I am going to visit him

A. Has come

B. Came

C. Comes

D. Is coming

10. His parents .......... last month by an accident and now he ........... with his uncle

A. Have died/ lives

B. Died/ is living

C. Have died/ lived

D. Died/ has lived

#Bé_Amip:>

2,5 đấy nhớ k mình nhé

mình nhanh nhất

3. The last time I saw John was when he was leaving for Edinburgh.
-> I haven't ..seen John since he left for Edinburgh.....................
4. When a boy, my brother often played basketball with me.
-> My brother used...to play basketball with me...............
5. Mary feels strange to drive on the left.
-> Mary isn't...accustomed to drive on the left.................
6. My father stopped drnking champagne 10 years ago.
-> My father hasn't..stopped drinking champagne for 10 years.................
7. My father often takes tow dogs for a walk .
-> Two dogs.are often taken for a walk by my father.................
8. John hasn't finished his homework yet.
-> John's homework...hasn't been finished yet...........................
9. People started using computers to send email many years ago.
-> Computers have.used to send email for many years............................
10. John last repaired the house 2 years ago.
-> The house hasn't..repaired for 2 years..................
11. The dress no longer fits her well
-> The dress used..to fit her well................
14. Tom is the fastest swimmer in our class
-> No one else..is faster than Tom in our clss.................