SO SÁNH:
A = 1011 B = 1110
GIÚP MÌNH LÀM SỚM NHÁ CÁC BẠN. THỨ 4 NÀY MÌNH NỘP BÀI RỒI. AI LÀM TRƯỚC MÌNH K CHO. MÌNH CẢM ƠN
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GL
23 tháng 7 2017
Từ 1 - 9 có: (9 - 1) ÷ 1 + 1 = 9 (số có 1 chữ số)
Từ 1 - 9 có số chữ số là : 9 . 1 = 9
Từ 10 - 99 có: (99 - 10) ÷ 1 + 1 = 90 (số có 2 chữ số)
Từ 1 - 99 có số chữ số là: 9 + 90.2 = 189 (chữ số)
Số chữ số của các số có 3 chữ số là: 200 - 189 = 11(chữ số)
Chữ số thứ 200 là chữ số 0 của số 103.
Đáp số: Chữ số 0.
TH
29 tháng 7 2021
I.Hãy viết hình thức so sánh hơn và nhất của các tính từ sau:
ADJ/adv | Hơn | Nhất | ADJ/adv | Hơn | Nhất |
1- cheap | cheaper | The cheapest | 7- friendly | .........more friendly............... | ........the most friendly................ |
2- far | ............farther / further......... | ........the farthest / the furthest.............. | 8- badly/bad | .........worse............... | ...........the worst............. |
3- big | .......bigger .............. | .........the biggest........... | 9- many/much | ..........more.............. | .............the most........... |
4- fluent | ..........more fluent............ | ..........the most fluent........... | 10- dangerous | ..........more dangerous.............. | ..........the most dangerous.............. |
5- good/well | ..........better............ | ...........the best.......... | 11- hard | ............harder............ | .............the hardest........... |
6- busy | ...............busier...... | ..........the busiest........... | 12- quiet | ........quieter ................ | ........the quietest................ |
1. So sánh ngang bằng.
a. This book/ not/ interesting/ I expected
_______This book is not as interesting as I expected________________________________________
b. Jack/ swim/ good/ Tom
______Jack swim as well as Tom_________________________________________
c. we/work/twice/slow/ they.
________We work twice as slowly as they (do)_______________________________________
d. A car/ not/run/ fast/ a train
____________A car does not run as fast as a train___________________________________
e. My father/ carve /skilful/ my grandfather
______My father carves as skillfully as my grandfather_________________________________________
2. So sánh hơn: (Nhấn mạnh các câu ss hơn)
a. My room/ comfortable/ yours
_____________My room is more comfortable than yours__________________________________
b. A plane/can fly/ quick/ a bird
_________A plane can fly more quickly than a bird______________________________________
c. Peter/ eat/ much/ I.
_______Peter eats more than I (do)________________________________________
d .Your house/far/from school /my house. ____My house is father from school than my house___________________________________________
e. My father / cook/ good/ I
___________My father cooks better than I do____________________________________
3. So sánh nhất: ( Nhấn mạnh theo 2 cách đã học)
a. Everest/ high/ mountion/ in the world
__________Everest is the highest mountain in the world_____________________________________
b. Mai/ talk/ slow / in my class.
____________Mai talks the most slowly in my class___________________________________
c. English coffee/bad/ of all.
__________English coffee is the worst of all_____________________________________
d. Anna/ behave/polite/ in the world.
__________Anna behaves the politest in the world_____________________________________
e. They / play the guitar/ good/ of all
.___________They play the guitar the best of all____________________________________
f. My grandmother/old/ in my village=>
_________My grandmother is the oldest in my village______________________________________
II. Complete the sentences using the correct form of the adjectives or adverbs in brackets
(chia về các dạng so sánh đúng)
ảnh bị lỗi
III. Cirle the best option to complete each sentence:
1. The flower was.......... out of a single piece of valuable wood.
A. carved B. moulded
C cast D. given
2. In this town, they_____ all the frames in steel.
A. make B. have C. mould D. cast
3. She is skilled at ____ cloth.
A. giving B. weaving C doing D. carving
4. If you like, I can_____ flowers on the cushion covers for you.
A. grow B. make C. embroider D. knit
5. Is it true that you.......... this woollen hat yourself?
A. knitted B. wove C did D. carved
6. The doll has been.......... out of clay.
A. embroidered B. cast C. woven D. moulded
7. I love going to this place _____ it's the quietest place in the city.
A. so B. though C. so that D. as
8. They keep changing the decoration of the shop_______ they can attract more young people.
A. so that B. because C. although D when
9.________ she's young, she's the most famous artisan in the village.
A. When B. Although C. Whereas D. In order to
10. Do you know who's______ his pottery workshop?
A. bring out B. taking over C. passing down D. turning down
11. I've_______ the product catalogue and decided to buy this table.
A. found out B. closed down C. looked through D. lived on
12. This sports centre is so small that it cannot______the demands of local residents.
A. keep up with B. face up to C. deal about D. setup
13. When I turned up, the town hall was already_____ of teenagers.
A. full B. packed C. crowded D. jammed
14. She turned ______the new job in New York because she didn't want to move.
A. on B. down C. off D. up
15. This city has one of the most___ underground rail networks in the world.
A. efficient B. fashionable C . cosmopolitan D. fascinated
4. This laptop is much more user-friendly, but it costs________ the other one.
A. so much as B. as many as C. twice as much as D. twice as many
5. Today's cities are____than cities in previous times.
A. lots larger B. much larger C. as large D. the largest
6. After I found all the information I needed, I________the computer.
A. turned off B. switched on C. looked for D. put off
7. Japan is the__________ developed country in the world.
A. most second B. second in most C. second most D. two most
8. Factories and offices should be built in __________areas only.
A. rural B. Coastal C. culture D. urban
Nếu em chia nhỏ bài này ra làm khoảng 3 phần thì em sẽ nhận được câu trả lời của các bạn nhanh hơn em nhé!
11 tháng 7 2017
1,2 + 2,3 + 3,4 - 4,5 + 5,6 - 6,7 + 7,8 - 8,9 + 9,1 = 9,3
8 tháng 8 2021
\(1.\) \(P=15\frac{1}{4}:\left(-\frac{5}{7}\right)-25\frac{1}{4}:\left(-\frac{5}{7}\right)\)
\(=\left(15\frac{1}{4}-25\frac{1}{4}\right)\cdot\left(-\frac{7}{5}\right)\)
\(=\left(-10\right)\cdot\left(-\frac{7}{5}\right)\)
\(=14\)
vậy P=14
\(2.\) \(\left(\frac{21}{10}-|x+2|\right):\left(\frac{19}{10}-\frac{7}{5}\right)+\frac{4}{5}=1\)
\(\Rightarrow\left(\frac{21}{10}-|x+2|\right):\frac{1}{2}+\frac{4}{5}=1\)
\(\Rightarrow\left(\frac{21}{10}-|x+2|\right)\cdot2+\frac{4}{5}=1\)
\(\Rightarrow\left(\frac{21}{5}-|x+2|\right)+\frac{4}{5}=1\)
\(\Rightarrow\frac{21}{5}-|x+2|=\frac{1}{5}\)
\(\Rightarrow|x+2|=4\)
\(\Rightarrow\orbr{\begin{cases}x+2=4\\x+2=-4\end{cases}}\)
\(\Rightarrow\orbr{\begin{cases}x=2\\x=-6\end{cases}}\)
vậy \(x\in\left\{2;-6\right\}\)
NM
Nguyễn Minh Quang
Giáo viên
8 tháng 8 2021
bài 1
ta có \(P=\left(15\frac{1}{4}-25\frac{1}{4}\right):\left(-\frac{5}{7}\right)=-10:\left(-\frac{5}{7}\right)=-10\times-\frac{7}{5}=14\)
2.\(\left(\frac{21}{10}-\left|x+2\right|\right):\left(\frac{19}{10}-\frac{14}{10}\right)+\frac{4}{5}=1\)
\(\Leftrightarrow\left(\frac{21}{10}-\left|x+2\right|\right):\frac{5}{10}=\frac{1}{5}\Leftrightarrow\frac{21}{10}-\left|x+2\right|=\frac{2}{5}\)
\(\Leftrightarrow\left|x+2\right|=\frac{21}{10}-\frac{2}{5}=\frac{17}{10}\Leftrightarrow\orbr{\begin{cases}x+2=\frac{17}{10}\\x+2=-\frac{17}{10}\end{cases}\Leftrightarrow\orbr{\begin{cases}x=-\frac{3}{10}\\x=-\frac{37}{10}\end{cases}}}\)
DH
28 tháng 1 2022
um đề bài j bí quá bn ko cho tui thở à ?
còn đề bài như này mà ko cho tra thì cx chịu các cô
chúc bn Tết zui ze :)
28 tháng 1 2022
bạn ơi , ko cần câu ghép cx đc trả lời giúp mình ik pls
TN
27 tháng 8 2021
1. hard enough
2. well enough
3. warm enough
4. rich enough
5. enough money
6. enough time
7. strong enough
8. enough French
9. far enough
10. enough chairs
(P/s: nãy h ngồi làm mợt lắm á , tick cho tui nghen (～￣▽￣)～)
HT
27 tháng 7 2020
bài giải :
a, nếu mỗi toa xe chở 20 tấn hàng thì ta cần số toa xe là: 180: 20 = 9 (toa )
b, nếu mỗi toa chở 30 tấn hàng thì cần số toa xe là : 180 :30 = 6 (toa )
đáp số : a: 9 toa
b, 6 toa
đúng không ???
26 tháng 8 2021
bài 2
1)
/2x-7/+\(\dfrac{1}{2}=1\dfrac{1}{2}\)
/2x-7/+\(\dfrac{1}{2}=\dfrac{3}{2}\)
/2x-7/=1
=> 2x-7=1 hoặc -2x+7 =1
2x=8 hoặc -2x=-6
x=4 hoặc x=3
26 tháng 8 2021
Bài 1:
1: Ta có: \(A=\left(-1\right)^3\cdot\left(-\dfrac{7}{8}\right)^3\cdot\left(-\dfrac{2}{7}\right)^2\cdot\left(-7\right)\cdot\left(-\dfrac{1}{14}\right)\)
\(=\dfrac{7^3}{8^3}\cdot\dfrac{4}{49}\cdot\dfrac{1}{2}\)
\(=\dfrac{343}{512}\cdot\dfrac{2}{49}\)
\(=\dfrac{7}{256}\)