chịu thôi,mik ko làm đc đâu,mik học lớp 3 mà!

cau có thê viêt lai dê bai duoc ko to doc ko hiêu

Số học sinh nam là:

280 : 100 x 40 = 112 ( em học sinh )
 ??? Bạn ơi 40% học sinh năm là 112 học sinh rồi mà !! Hơn cả 50 mà ??
 

11. __________ are the Olympic Games held?

A. How                       B. How long              C. How often             D. How much

12. Leave early so that you __________ miss the bus.

A. didn’t                    B. shouldn’t              C. won’t                     D. mustn’t

13. What's the weather __________ in Hanoi?

A. to                     B. s                       C.                          D. liking

14. A hi-tech robot will help us __________ children while we are away.

A. look out                B. look at                   C. look after              D. look in

15. Our future houses will use __________ energy, and they are very friendly to the environment.

A. sun                         B. sunny                     C. solar                       D. lunar

IV. Fill each gap of the following sentences with a suitable preposition.

16. They translated the letter __________ French.

A. for                          B. with                        C. into                        D. about

17. She always takes good care __________ her children.

A. for                          B. in                            C. of                            D. with

18. We went there __________ a car and stayed there for the whole day.

A. in                            B. on                                      C. with             D. by

19. I write letters __________ my right hand.

A. in                            B. by                                      C. with             D. at

20. He congratulated me __________ winning the competition.

A. of                           B. on                                      C. at                         D. about

11. __________ are the Olympic Games held?

A. How                       B. How long              C. How often             D. How much

12. Leave early so that you __________ miss the bus.

A. didn’t                    B. shouldn’t              C. won’t                     D. mustn’t

13. What's the weather __________ in Hanoi?

A. to lik.e                    B. .s                       C. lik.e                         D. likin.g

14. A hi-tech robot will help us __________ children while we are away.

A. look out                B. look at                   C. look after              D. look in

15. Our future houses will use __________ energy, and they are very friendly to the environment.

A. sun                         B. sunny                     C. solar                       D. lunar

IV. Fill each gap of the following sentences with a suitable preposition.

16. They translated the letter __________ French.

A. for                          B. with                        C. into                        D. about

17. She always takes good care __________ her children.

A. for                          B. in                            C. of                            D. with

18. We went there __________ a car and stayed there for the whole day.

A. in                            B. on                                      C. with             D. by

19. I write letters __________ my right hand.

A. in                            B. by                                      C. with             D. at

20. He congratulated me __________ winning the competition.

A. of                           B. on                                      C. at                         D. about

ĐÂY NHA

giải giúp mình nha mình cần gấp

cô can tuyên thêm sô hoc sinh nam là:

                         280 : 100 x 10 = 28 ( hs )

                                               D/S: 28hs

                      ht

con cặc bài dễ vl mà làm đéo được  địt mẹ mày về mà nhờ mẹ giải hộ

Trả lời: 1)

1. D                 2. B                 3. D                 4. D                 5. A

Học tốt

I. Choose the word which has the underlined part pronounced differently from the others by circling A, B, C, or D.           

1. A. looked               B. watched                 C. stopped                 D. carried

2. A. study                 B. success                  C. surprise                 D. sugar

3. A. danger               B. angry                     C. language                D. passage

II. Find the word which is not the same with the others in a group.

4. A. teacher              B. college                   C. professor               D. lecture

5. A. revision            B. decision                C. grocery                  D. collection

1f

2)h

3)a

4)g

5)d

1.f

2.h

3.a

4.g

5.d

1 giờ 30 phút = 1,5 giờ

Tổng vận tốc của 2 xe là:

126 : 1,5 = 84 ( km/h )

a) Vận tốc của ô tô là:

( 84 + 8 ) : 2 = 46 ( km/h )

Vận tốc của xe máy là:
46 - 8 = 38 ( km/h )

b) Chỗ gặp nhau cách A.

    38  x  1,5 = 57 ( km )

c) ???? ( đợi mik chút )

quãng đường dài 54 km nha

bạn có cần mik giải chi tiết ko

#hok tốt#

 Quãng đường xe đạp đi trước xe là:

 12 x 3 = 36 ( km )

Hiệu vận tốc của 2 xe là:
36 - 12 = 24 ( km/h )

Xe đuổi kịp xe đạp sau:
36 : 24 = 1,5 ( giờ )

Quãng đường AB dài là:

36 x 1,5 = 54 ( km )

           Đ/s: 54 km

~ Hok T ~

Tổ 3 làm mặt nạ chiếm số phần là :

1 - \(\frac{1}{3}-\frac{4}{9}\)= \(\frac{2}{9}\)(số mặt nạ cả lớp)

Lớp 5A đã làm :

10 : \(\frac{2}{9}\)= 45(mặt nạ)

Đ/s: 45 mặt nạ