A,mother B,behave C,money D,pizza
(Bài trọng âm ạ)
Mn giúp tui vs
K
Khách
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Những câu hỏi liên quan
16 tháng 2 2022
\(x^2+\sqrt{5}x-10=0\)
\(\Delta=5-4\left(-10\right)=45>0\)
Vậy pt có nghiệm pb
\(x_1=\dfrac{-\sqrt{5}-3\sqrt{5}}{2}=-2\sqrt{5};x_2=\dfrac{-\sqrt{5}+3\sqrt{5}}{2}=\sqrt{5}\)
7H
8
DT
Đỗ Thanh Hải
CTVVIP
14 tháng 3 2021
Chọn trọng âm khác:
1. A. explain B. involve C. borrow D. discuss
2. A. behave B. relax C. enter D. allow
3. A. disaster B. origin C. charity D. agency
4. A. president B. opponent C. assistant D. companion
5. A. obtain B. perform C. affect D. happen
6. A. successful B. important C. musical D. expensive
7. A. arrive B. accept C. include D. practice
8. A. beauty B. album C. question D. success
9. A. imagine B. discover C. decorate D. consider
Chọn đáp án đúng:
1. Why did you have to...me...in front of everybody like that?
A. put-off B. put-down C. put-at D. put-by
2. If you don't want to catch a train home at that time of night, you're welcome to....
A. sleep with B. sleep over C. sleep in D. sleep on
TL
14 tháng 3 2021
Chọn trọng âm khác:
1. A. explain B. involve C. borrow D. discuss
2. A. behave B. relax C. enter D. allow
3. A. disaster B. origin C. charity D. agency
4. A. president B. opponent C. assistant D. companion
5. A. obtain B. perform C. affect D. happen
6. A. successful B. important C. musical D. expensive
7. A. arrive B. accept C. include D. practice
8. A. beauty B. album C. question D. success
9. A. imagine B. discover C. decorate D. consider
Chọn đáp án đúng:
1. Why did you have to...me...in front of everybody like that?
A. put-off B. put-down C. put-at D. put-by
2. If you don't want to catch a train home at that time of night, you're welcome to....
A. sleep with B. sleep over C. sleep in D. sleep on
QT
2
6 tháng 7 2023
Bài 2:
a) \(\dfrac{2}{15}-\dfrac{7}{10}=\dfrac{4}{30}-\dfrac{21}{30}=-\dfrac{17}{30}\)
b) \(\dfrac{-3}{14}+\dfrac{2}{21}=\dfrac{-9}{42}+\dfrac{4}{42}=\dfrac{-5}{42}\)
c) \(\dfrac{-6}{9}+\dfrac{-12}{16}=\dfrac{-96}{144}+\dfrac{-108}{144}=\dfrac{-204}{144}=-\dfrac{17}{12}\)
6 tháng 7 2023
Bài 3:
a) \(\dfrac{3}{8}+\dfrac{-5}{6}=\dfrac{3}{8}-\dfrac{5}{6}=\dfrac{18}{48}-\dfrac{40}{48}=-\dfrac{22}{48}=-\dfrac{11}{24}\)
b) \(\dfrac{-8}{18}-\dfrac{15}{27}=\dfrac{-24}{54}-\dfrac{30}{54}=\dfrac{-54}{54}=-1\)
c) \(\dfrac{2}{21}-\dfrac{-1}{28}=\dfrac{8}{84}-\dfrac{-3}{84}=\dfrac{11}{84}\)
LT
8 tháng 5 2022
part 7 Using the suggested words to write a story
1 It/be/beautiful day.Sun/shine
-> It was a beautiful day. The Sun was shining.
2.Nga/outside/play/her dog.All of sudden,the dog/behave strangely
-> Nga was outside playing with her dog. All of sudden, the dog was behaving strangly.
3.Nga/run/home/with/the dog/tell/mother/what her dog/doing
-> Nga ran home with the dog to tell her mother what her dog was doing.
4.Nga's mother/tell Nga/she/hear/on TV/there/be/a typhoon coming
-> Nga's mother told Nga she heard on TV that there was a typhoon coming.
TH
8 tháng 5 2022
1 It/be/beautiful day.Sun/shine
-> It was a beautiful day. The Sun was shining.
2.Nga/outside/play/her dog.All of sudden,the dog/behave strangely
-> Nga was outside playing with her dog. All of sudden, the dog behaved strangly.
3.Nga/run/home/with/the dog/tell/mother/what her dog/doing
-> Nga ran home with the dog to tell her mother what her dog was doing.
4.Nga's mother/tell Nga/she/hear/on TV/there/be/a typhoon coming
-> Nga's mother told Nga she heard on TV that there was a typhoon coming.
Cho 3 số dương a,b,c thỏa mãn a+b+c=1. CMR:
5 tháng 4 2022
a: \(\Leftrightarrow2x\left(x+2\right)+4>x^2+4x+4\)
\(\Leftrightarrow2x^2+4x-x^2-4x>0\)
=>x<>0
b: \(\Leftrightarrow3\left(1-2x\right)-24x< 4\left(1-5x\right)\)
=>3-6x-24x<4-20x
=>-30x+3<4-20x
=>-10x<1
hay x>-1/10
c: \(\Leftrightarrow x^2+6x+8>x^2+10x+16+26\)
=>6x+8>10x+42
=>-4x>34
hay x<-17/2
25 tháng 10 2021
S=−(a−b−c)+(−c+b+a)−(a+b)
S=−a+b+c−c+b+a−a−b
S=(−a+a−a)+(b+b−b)+(c−c)
S=−a+b
B
B