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Theo đề bài ta có:
43x−2y=32z−4x=24y−3z43x−2y=32z−4x=24y−3z

⇒⇒4(2z-4x) = 3(3x-2y)
3(4y-3z) = 2(2z-4x)
Ta có:

4(2z-4x) = 3(3x-2y)⇒⇒8z-16x = 9x-6y⇒y=25x−8z6⇒y=25x−8z6 (1)

32z−4x=24y−3z⇒3(4y−3z)=2(2z−4x)

HT ( mặc dù hơi rối ) nhưng cố nhìn nhé :))

III. Read the passage and answer the question.    Her name is Lan. She lives in a house in the city. Near her house, there is a supermarket, a bank, a post office and a clinic. She is a student. She studies at Chu Van An Primary School. Her house is far from her school so she often goes to school by bike. She goes to school in the afternoon. There is a park in front of the school. There are a lot of trees and flowers in the park. Behind the school, there is a river.1.     Where is her...
Đọc tiếp

III. Read the passage and answer the question.

    Her name is Lan. She lives in a house in the city. Near her house, there is a supermarket, a bank, a post office and a clinic. She is a student. She studies at Chu Van An Primary School. Her house is far from her school so she often goes to school by bike. She goes to school in the afternoon. There is a park in front of the school. There are a lot of trees and flowers in the park. Behind the school, there is a river.

1.     Where is her house?

 

2.     Is there any school near her house?

……………………………………………………………………..

3.     How does she go to school?

……………………………………………………………………..

4.     Does she go to school in the afternoon?

……………………………………………………………………..

5.     What is behind her school?

……………………………………………………………………..

 

1
5 tháng 12 2021

1.Her house is in the city

2.No, there isn't

3.She goes to school by bike

4.Yes, she does

5.Behind her school, there is a river

5sao nhá!!!!!

5 tháng 12 2021

=60480000

60 480 000

10 : 100 = 0,1

100 : 1000 = 0,1

1000:10000 = 0,1

khum bt :))))))))

HT

5 tháng 12 2021

0,1 đó <3

5 tháng 12 2021

=60 480 000

5 tháng 12 2021

1234567890

5 tháng 12 2021

cô đặt quả cân vào 1 bên và đổ đường cho hai bên bằng nhau. 

vậy 1 đĩa gồm (200g đường +100g quả cân )

đĩa còn lại là  300g đường 

vậy ta dc 200g đường từđĩa gồm (200g đường +100g quả cân )

mong cho SP

13 tháng 5 2024

chumia chumia là cha mi ngu

5 tháng 12 2021

cho thấy ông là người dạy học rất nghiêmr