TM
2
K
Khách
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Dưới đây là một vài câu hỏi có thể liên quan tới câu hỏi mà bạn gửi lên. Có thể trong đó có câu trả lời mà bạn cần!
NN
13 tháng 3 2022
a) 4+2/5=22/5
b) 5/4+2=13/4
c) 3+3/2=9/2
d) 3/4-1/8=5/8
e) 17/15-7/10=13/30
g) 25/12-15/8=5/24
h) 5-4/3=11/3
i)15/4-3=3/4
13 tháng 3 2022
a)\(\dfrac{4}{1}+\dfrac{2}{5}=\dfrac{20}{5}+\dfrac{2}{5}=\dfrac{22}{5}\)
b)\(\dfrac{5}{4}+\dfrac{2}{1}=\dfrac{5}{4}+\dfrac{8}{4}=\dfrac{13}{4}\)
c)\(\dfrac{3}{1}+\dfrac{3}{2}=\dfrac{6}{2}+\dfrac{3}{2}=\dfrac{9}{2}\)
d)\(\dfrac{3}{4}-\dfrac{1}{8}=\dfrac{6}{8}-\dfrac{1}{8}=\dfrac{5}{8}\)
e)\(\dfrac{17}{15}-\dfrac{7}{10}=\dfrac{34}{30}-\dfrac{21}{30}=\dfrac{13}{30}\)
g)\(\dfrac{25}{12}-\dfrac{15}{8}=\dfrac{50}{24}-\dfrac{45}{24}=\dfrac{5}{24}\)
h)\(\dfrac{5}{1}-\dfrac{4}{3}=\dfrac{15}{3}-\dfrac{4}{3}=\dfrac{11}{3}\)
i)\(\dfrac{15}{4}-\dfrac{3}{1}=\dfrac{15}{4}-\dfrac{12}{4}=\dfrac{3}{4}\)
DT
Đỗ Thanh Hải
CTVVIP
7 tháng 8 2021
|
12 tháng 9 2020
có thể xem bản in ở đây f.vietnamdoc.net/pdf/viewer.html?file=%2fdata%2ffile%2f2017%2f06%2f08%2fbai-tap-luyen-thi-ioe-lop-4.pdf
1 tháng 8 2021
1. I like / football / the rain. / playing / in
i like playing football in the rain
2. the / are / in / My toy / brown box.
my toy are in the brown box
3. My uncle has to work hard from 5 in the morning to 7 in the evening.
4. Odd one out:
A. uncle B. aunt
C. father D. friend
5. is / When / your / birthday?
when is your birthdday ?
6. me? / you / write / to / Can
can you write to me
7. Is it a round box? – No, it is a square box.
8. Ha can dance but cannot play football.
9. What time is it? – It ... four fifteen.
A. is B. has C. at D. in
10. Mr Smith / a lot of / grows /vegetable /grows/
mr smith a lot of vegetable grows in his garden.
11. four seasons / our country. / in / are / There
there are four seasons in our country.
12. How old is he? – He is 10 years old.
13. What a ... doll! My children like it very much.
A. better B. lovely
C. awful D. expensive
14. Don't write ... the walls.
A. on B. at
C. in D. to
15. and / dance. / swim / My brother / can
my brother can swim and dance
16. Where / are / from? / you
where are you from ?
17. There are five fingers is one hand.
18. My brother is seven years old.
20. your / please. / me / pen, / Show
show your me pen , please .
19. go to / don't / school / on Sunday. / I
i don't go to school on Sunday.
20. Go to the door, please.
21. Thank you very ... .
A. much B. so
C. many D. too
22. February is the ... month of the year.
A. first B. second
C. third D. four
23. My mother's / in / birthday / is / February.
My mother's birthday is in February.
24. I often write to Jack and tell him about my school.
25. Listen _ _ the teacher, please. 28. I'm from France. ... you?
A. Too B. This
C. That D. And
26. What would you ... to drink? – Orange juice, please.
A. have B. like
C. do D. take
27. birthday / is / September. / not in / My brother
my mother is birthday not in September.
28. My / not / is / school / big.
my school is not big.
29. Take out your pen, children.
30. My new pencils are on the table.
31. My class is ... 7 a.m ... 11 a.m every day.
A. between / from B. from / in
C. from / to D. at / at
32. Odd one out:
A. Vietnamese B. Japanese
C. America D. English
NH
7
Đáp án C
Câu C. 100/20