cứu mih vs mih đag cần gấp lắm r hôm nay mih hc r
K
Khách
Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
Những câu hỏi liên quan
DT
2
6 tháng 2 2022
e: =(2004-2004)+(54-54)+(-15)=-15
f: =(-45789x2)-(357-57)=-91578-300=-91878
g: =(1259+1259)-(1409-1409)-12=2506
h: =(2750x2)-1229+438+29+438
=5500-1200+876
=5176
i: =-5+(-37+37)+(151+151)-45
=-50+302
=252
k: =(53-53)+(-145+145)-(359+259)=-618
TD
6 tháng 2 2022
e)2004-15+54-2004-54=(2004-2004)+(54-54)-15=-15
f)-45789-357-45789+57=(-45789-45789)-(357-57)=-91578-300=-91878
g)1259-1409-12+1259+140=(1259+1259)+(-1409+1409)-12=2518-12=2506
h)2750-1229+2750-(-438-29-438)=(2750+2750)-1229+438+29+438=5500-(1229-29)+(438+438)=5500-1200+876=5176
i)-5+-37-45+151--37=-5-37-45+151+37=(-5-45)+(-37+37)+151=-50+151=101
k)53-145-359-53+145-259=(53-53)+(-145+145)+(-359-259)=-618
l)-81-132-547+181-132-53=(-81+181)-(547+53)-(132+132)=100-600-264=-764
m)50-2016+50-118+2016-18=(50+50)+(-2016+2016)-(118+18)=100-136=-36
NA
1
T
8 tháng 2 2019
| 2x + 10 | + |3x - 1 | + |1 - x| = 3 (1)
+)Xét \(x< -5\);(1) trở thành: \(-4x-10=3\Leftrightarrow-4x=13\Leftrightarrow x=-\dfrac{13}{4}\) (loại)
+)Xét \(-5\le x< \dfrac{1}{3}\); (1) trở thành:10 = 3 (loại)
+)Xét \(\dfrac{1}{3}\le x< 1\) ; (1) trở thành: \(6x+8=3\Leftrightarrow6x=-5\Leftrightarrow x=-\dfrac{5}{6}\) (loại)
+)Xét \(x\ge1\), (1) trở thành: \(4x+10=3\Leftrightarrow4x=-7\Leftrightarrow x=-\dfrac{7}{4}\) (loại)
Vậy \(x\in\varnothing\)
6 tháng 2 2022
q: =-223+105-2x172+223=105-344=-239
p: =173-536+173-526=-716
n: =(254+254)+(549-49)+(-175-75)
=508+500-250
=508+250
=758
25 tháng 12 2017
PHÒNG GD&ĐT
VĨNH TƯỜNG
ĐỀ KIỂM TRA HỌC KỲ I NĂM HỌC 2017-2018
Môn: Tiếng Anh - Lớp 7
Thời gian làm bài: 45 phút (Không kể thời gian giao đề)
A. LISTENING. Listen and fill in each blank with one suitable word to complete the following sentences.
a) The 9.25 flight to (1) ____________ is delayed by (2) ____________ hours
b) Passengers going (3) ____________ should go to boarding gate (4)_________________.
c) Passengers going Athens should go to boarding gate (5)_________________.
d) The flight number of the plane going to Amsterdam is (6)_________________.
e) The time in New York is (7) ______________ .
f) The temperature in (8) ________________ is 760F
B. PHONETICS. Choose the word whose underlined part is pronounced differently from that of the others by write the corresponding letter A or B, C, D.
9. A. delicious B. special C. musical D. physician
10. A. celebration B. collection C. education D. question
11. A. excited B. interested C. worried D. painted
C. VOCABULARY, GRAMMAR. Choose the best answer among A, B, C or D.
12. My tooth doesn’t stop hurting. I’ll go and see the .
A. singer B. teacher C. dentist D. actor
13. Could you tell me how to to the post office?- Oh, it is the left, bookstore and movie theater.
A. reach, on, at B. go, on, in C. reach, on, in D. go, on, between
14. noodles last night?
A. Did you eat B. Were you eat C. Did you ate D. Do you ate
15. It took us an hour to Nha Trang last year.
A. drive B. driving C. to drive D. drove
16. On the table were vegetables, bread and two large .
A. bowl of soup B. bowl of soups C. bowls of soups D. bowls of soup
17. My brother never goes to school late and
A. so do I. B. Neither don’t I. C. I don’t, either D. I don’t, too
18. What a ________________ house!
A. beauty B. beautiful C. beautify D. beautifully
19. I’ve never read a _______ novel than this one.
A. longest B. longer C. most longest D. more longer
20. Mary likes attending the English ____________ contests
A. speaking B. spoken C. speak D. speech
D. READING.
I. Read the passage about Charlie Chaplin and answer the questions
Charlie Chaplin was an English actor, director, producer, and composer. He is known as the most creative person of the silent –film era. Charlie Chaplin’s portrait of the tramp won the hearts of people all over the world.
Chaplin was born in London the 16th of April, 1889.He spent his childhood in poverty and hardship. In 1910 he began to perform pantomime in the United States. He first appeared on screen in 1914. He created his world -famous character, the Tramp, and he played this classic role in more than 70 films during his career. He also composed background music for most of his films. In 1972 Chaplin received an Honorary Academy Award for the “ the incalculable effect he has had in making motion pictures the art form of this century . Chaplin died on the 25th of December, 1977, at his home in Switzerland
21. What did Charlie Chaplin work as?
A. An English actor and director B. An English actor and producer
C. An English actor, director, composer and producer
22. When was he born?
A. April 6th 1889 B. April 16th 1889 C. April 16th 1988
23. When did he start appearing in films?
A. In 1910 B. In 1914 C. In 1972
24. Charlie Chaplin is very famous for __________.
A. his stage performance B. his background music C. his character “the Tramp”
25. Which of the following is NOT true?
A. Charlie Chaplin was an English artist. B. He played classical music.
C. He received an award in 1972.
II. Read, then choose the best answer
VĨNH TƯỜNG
ĐỀ KIỂM TRA HỌC KỲ I NĂM HỌC 2017-2018
Môn: Tiếng Anh - Lớp 7
Thời gian làm bài: 45 phút (Không kể thời gian giao đề)
A. LISTENING. Listen and fill in each blank with one suitable word to complete the following sentences.
a) The 9.25 flight to (1) ____________ is delayed by (2) ____________ hours
b) Passengers going (3) ____________ should go to boarding gate (4)_________________.
c) Passengers going Athens should go to boarding gate (5)_________________.
d) The flight number of the plane going to Amsterdam is (6)_________________.
e) The time in New York is (7) ______________ .
f) The temperature in (8) ________________ is 760F
B. PHONETICS. Choose the word whose underlined part is pronounced differently from that of the others by write the corresponding letter A or B, C, D.
9. A. delicious B. special C. musical D. physician
10. A. celebration B. collection C. education D. question
11. A. excited B. interested C. worried D. painted
C. VOCABULARY, GRAMMAR. Choose the best answer among A, B, C or D.
12. My tooth doesn’t stop hurting. I’ll go and see the .
A. singer B. teacher C. dentist D. actor
13. Could you tell me how to to the post office?- Oh, it is the left, bookstore and movie theater.
A. reach, on, at B. go, on, in C. reach, on, in D. go, on, between
14. noodles last night?
A. Did you eat B. Were you eat C. Did you ate D. Do you ate
15. It took us an hour to Nha Trang last year.
A. drive B. driving C. to drive D. drove
16. On the table were vegetables, bread and two large .
A. bowl of soup B. bowl of soups C. bowls of soups D. bowls of soup
17. My brother never goes to school late and
A. so do I. B. Neither don’t I. C. I don’t, either D. I don’t, too
18. What a ________________ house!
A. beauty B. beautiful C. beautify D. beautifully
19. I’ve never read a _______ novel than this one.
A. longest B. longer C. most longest D. more longer
20. Mary likes attending the English ____________ contests
A. speaking B. spoken C. speak D. speech
D. READING.
I. Read the passage about Charlie Chaplin and answer the questions
Charlie Chaplin was an English actor, director, producer, and composer. He is known as the most creative person of the silent –film era. Charlie Chaplin’s portrait of the tramp won the hearts of people all over the world.
Chaplin was born in London the 16th of April, 1889.He spent his childhood in poverty and hardship. In 1910 he began to perform pantomime in the United States. He first appeared on screen in 1914. He created his world -famous character, the Tramp, and he played this classic role in more than 70 films during his career. He also composed background music for most of his films. In 1972 Chaplin received an Honorary Academy Award for the “ the incalculable effect he has had in making motion pictures the art form of this century . Chaplin died on the 25th of December, 1977, at his home in Switzerland
21. What did Charlie Chaplin work as?
A. An English actor and director B. An English actor and producer
C. An English actor, director, composer and producer
22. When was he born?
A. April 6th 1889 B. April 16th 1889 C. April 16th 1988
23. When did he start appearing in films?
A. In 1910 B. In 1914 C. In 1972
24. Charlie Chaplin is very famous for __________.
A. his stage performance B. his background music C. his character “the Tramp”
25. Which of the following is NOT true?
A. Charlie Chaplin was an English artist. B. He played classical music.
C. He received an award in 1972.
II. Read, then choose the best answer
25 tháng 12 2017
http://d3.violet.vn//uploads/previews/present/4/118/302/preview.swf
SV
Sinh Viên NEU
CTVVIP
5 tháng 11 2023
50 is cooking
51 has learned
52 is trying
53 washes
54 caught
55 caught
56 was swimming
57 broke - hurt
58 is moving
59 Is your friend sitting
60 is lying
61 is reading
62 are we going to have
63 has
64 am going to stay
65 comes
66 begins
67 are you eating
68 is Sue going to do
69 don't work
70 is not studying - is watching
71 plays
72 visited
73 am going to watch
74 is studying
75 are having
76 Are you going to visit
77 haven't finished
78 are going
79 was waiting
80 Did she go
81 has wanted
82 have you been waiting
83 have watched
5 tháng 2 2022
a: =>31-x-39=-58
=>-8-x=-58
=>x+8=58
hay x=50
b: =>-129-35+x=55
=>x-164=55
hay x=219
c: =>|x-7|=-37+127=90
=>x-7=90 hoặc x-7=-90
=>x=97 hoặc x=-83
d: =>|x-14|<2
=>x-14>-2 và x-14<2
=>12<x<16
e: =>315-x-315=43-12
=>-x=31
hay x=-31
f: =>|x-4|=4
=>x-4=4 hoặc x-4=-4
=>x=8 hoặc x=0
6 tháng 2 2022
a: =>25-25+x=12+42-65
=>x=-11
b: =>|x+3|=4
=>x+3=4 hoặc x+3=-4
=>x=1 hoặc x=-7
c: =>x+17=13
hay x=-4
d: =>x+25-x=13-x
=>13-x=25
hay x=-12
e: =>15-30-x=x-(27-8)
=>-15-x=x-19
=>-x-x=-19+15
=>-2x=-4
hay x=2
f: \(\Leftrightarrow\left(12x-64\right)=4\cdot8=32\)
=>12x=96
hay x=8
GN
GV Nguyễn Trần Thành Đạt
Giáo viên
6 tháng 2 2022
\(g,\left[119-\left(3^3-10\right)\right].x=2448\\ \Leftrightarrow\left[119-\left(27-10\right)\right].x=2448\\ \Leftrightarrow\left[119-27+10\right].x=2448\\ \Leftrightarrow102.x=2448\\ \Leftrightarrow x=\dfrac{2448}{102}=24\\ h,\left[\left(10-x\right).2+51\right]:3-2=3\\ \Leftrightarrow\left[\left(10-x\right).2+51\right]:3=3+2=5\\ \Leftrightarrow\left[\left(10-x\right).2+51\right]=5.3=15\\ \Leftrightarrow\left(10-x\right).2=15-51=-36\\ \Leftrightarrow10-x=\dfrac{-36}{2}=-18\\ \Leftrightarrow x=10-\left(-18\right)=28\\ i,\left(x-12\right)-15=20-\left(17+x\right)\\ \Leftrightarrow x-12-15=20-17-x\\ \Leftrightarrow x+x=20-17+12+15\\ \Leftrightarrow2x=30\\ \Leftrightarrow x=\dfrac{30}{2}=15\)
\(k,-12-\left|13-x\right|=-21\\ \Leftrightarrow\left|13-x\right|=-12-\left(-21\right)=-12+21=9\\ \Leftrightarrow\left[{}\begin{matrix}13-x=9\\13-x=-9\end{matrix}\right.\\ \Leftrightarrow\left[{}\begin{matrix}x=13-9=4\\x=13-\left(-9\right)=13+9=22\end{matrix}\right.\)
Olm chào em, hiện tại câu hỏi của em chưa hiển thị đấy có thể là do file mà em tải lên bị lỗi nên đã không hiển thị trên diễn đàn. Em nên viết đề bài trực tiếp trên Olm. Như vậy em sẽ không mắc phải lỗi file đề. Điều này giúp em nhanh chóng nhận được sự trợ giúp từ cộng đồng olm. Cảm ơn em đã đồng hành cùng Olm.
Bạn đăng câu hỏi lên đây nhé!