Em đg cần gấp ạ ! 
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Em đg cần gấp ạ
5 tháng 1 2022
Gọi số học sinh là x
Theo đề, ta có: \(x\in BC\left(10;12;15\right)\)
mà 200<=x<=250
nên x=240
DT
28 tháng 8 2021
1. adjust
2. design
3.
4. careful
5. memory
6. electronic
7. worried
8. famous
9. destroyed
10. selected
QP
2
9 tháng 12 2021
\(132-2x+8=46\Leftrightarrow140-2x=46\Leftrightarrow2x=94\Leftrightarrow x=47\)
9 tháng 12 2021
\(2,\)
\(a,132-2\left(x-4\right)=46\)
\(\Rightarrow-2\left(x-4\right)=-86\)
\(\Rightarrow x-4=43\)
\(\Rightarrow x=47\)
Vậy: \(x=47\)
\(b.9x-4x=6^{17}:6^{15}+48:12\)
\(\Rightarrow5x=6^2+4\)
\(\Rightarrow5x=40\)
\(\Rightarrow x=8\)
Vậy: \(x=8\)
\(c,2^{x+3}.4=64\)
\(\Rightarrow2^{x+3}=16\)
\(\Rightarrow2^{x+3}=2^4\)
\(\Rightarrow x+3=4\)
\(\Rightarrow x=1\)
Vậy: \(x=1\)
5 tháng 1 2022
Định dạng ký tự bao gồm các thao tác thay đổi hình dáng của kí tự như nghiêng, đậm, gạch chân, cỡ chữ...
DT
Đỗ Thanh Hải
CTVVIP
10 tháng 8 2021
1 sickness - disability
2 opposition
3 pride
4 professional
5 unemployed
6 Poverty
7 deafened
8
9 photographing
10 education
10 tháng 8 2021
1 sickness - disability
2 opposition
3 pride
4 professional
5 unemployed
6 Poverty
7 deafened
8
9 photographing
10 education
Cho xin một like đi các dân chơi à.
A
17 tháng 8 2021
2.My new cellphone which i only bought it a month ago,has become a necessary part of life.
3.My roomate who is afraid of computers,has never been on the Internet.
4.Now, there are psychologists who help technophobes use technology
5.A lot of people who work in my office suffer from technostress
6.Some people dream of a job which they can do without technology
7.My stereo, which worked yesterday, doesn’t work today
A
17 tháng 8 2021
8.The man who you were talking to is a computer expert
9.Some documents which were stolen from a car have been found
10. Dr. Michelle Weil who is a psychologist, wrote a book about ‘techno stress’
11.He works for a computer, magazine which is very popular in Mexico
12.Marta has a brother whose name is Manuel.
21 tháng 10 2021
5. There is a boy behind that tree
6. There are some girls in front of the house
7. There isn't a telephone in her office
8. There aren't any chairs downstairs
II
1. Minh lives in a house near a lake
2. There is a big yard in front of our school
3. Are there many flowers to the right of the museum?
4. What is there next to the photocopy store?
5. My father works in a hospital in the city
6. How many people are there in Linh's family
7. My friend in Hanoi doesn't live with his family
8. Hoa gets up at 6 o'clock and brushes her teeth
9. Our classroom is on the first floor
10. There are six rooms in Minh's house