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Bài 1 : Chia đông từ trong ngoặc .
1.What are there to drink for dinner?
2. We are tired and we'd like to sit down.
3. What does your sister want? - She wants a cold drink .
4. I am not hungry and I don’t want any rice .
5. Are there any bananas ?
6. What does Mr Minh feel now ?
5 Are there any bananas?
2 were - to sit
4 am not , don't want
( mấy câu kia mk thấy đề sao sao ý )
Tìm x, biết:
a. 12 + x = 122
=> x=122-12
=> x= 110
b. | x | + 4 = 8
=> /x/=8-4
=> /x/=4
=> x={4;-4}
c. 3x - 5 . 32 = 32 . 4
=> 3x=32.(4+5)
=> 3x=32.32
=> 3x=34
=> x=4
a)
\(12+x=122\)
=> \(x=110\)
Vậy \(x=110\)
b)
\(\left|x\right|+4=8\)
\(\Rightarrow\left|x\right|=4\)
\(\Rightarrow\left[\begin{array}{nghiempt}x=4\\x=-4\end{array}\right.\)
Vậy x=4 ; x = - 4
c)
\(3^x-5.3^2=4.3^2\)
\(\Rightarrow3^x=3^2\left(4+5\right)\)
\(\Rightarrow3^x=3^4\)
=> x=4
Vậy x=4
1. Your school / city
Where is your school?
It is in a city.
2. His living room / 1 st floor
Where is his living room?
It is in the first floor.
3. He / 7
Which grade is he studying?
He is in grade 7.
4. Her brother / 12A
Which is her brother class?
It is 12A.
5. Nam 's class / 3 rd floor
Where is Nam's class?
It is on the third floor.
6. her house / Trang Tien street
Where is her house?
It is on Trang Tien Street.
7. Your room / 2 nd floor
Where is your room?
It is on the second floor.
8. Lan's room / 4 th floor
Where is Lan's room?
It is on the fourth.
9. Nga's house / country
Where is Nga's house?
It is in a country.
10. he/ class 9d
Where is he studying?
He's in class 9d.
1.Where is your school?
2.Where is his living room?
3.Where is he?
4.Where is her brother?
5.Where is Nam's class?
6.Where is her house?
7.Where is your room?
8.Where is Lan's room?
9.Where is Nga's house?
10.Where is class 9d?
Bạn đăng nhầm mục tiếng Anh rồi bạn ạ, bạn gửi lại qua mục toán bạn nhé! Cảm ơn bạn!
Ta có :
\(A=75\left(4^{10}+4^9+...+1\right)+25\)
\(\Rightarrow A=75.4^{10}+75.4^9+....+75.4+75.1+25\)
\(\Rightarrow A=300.4^9+300.4^8+....+300+100\)
=> A chia hết cho 100
1) The fire burns (burn) 300km2.
2) He has been (be) a firefighter for 5 years.
3) He has (have) always loves( love) his job.
1.
3A= 3(3+32+ ...+ 32017)
3A= 32 + 33 + .... + 32018
Lấy 3A - A = (32 + 33 +...+ 32018) - (3+32+...+32017)
2A = 32018 - 3
2A+3 = 32018 - 3 +3 = 32018
=> 2A+3 là một lũy thừa của 3