K
Khách

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19 tháng 4 2015
  1. 1962,5 cm2
  2. 45 học sinh
  3. 188 cm3
  4. 24 người
  5. 288000 cm3
13 tháng 2 2017

The number of students recived the B is : 

40 x 25 % = 10 ( students )

Ans : 10 students

13 tháng 2 2017

 ta lấy 40 nhân 25 rồi chia cho 100

7 tháng 11 2016

There are 10 students in received B

7 tháng 11 2016

làm thế nào mà bạn tính giá được vậy bạn có thể viết phép tính ra được không

2 tháng 4 2015

sir, this is the place to learn math, not english offline. If you want to learn English is very wed page: ioe.vn

1>My class of 32 students are going to a Fun Fair for children and need to buy entrance tickets for each student. The price of an entrance ticket is 5,000 dong. The good news is that when we buy 5 tickets, the Fun Fair gives us 1 extra ticket for free. How much does my class have to pay to buy enough tickets for the whole class?2>Minh’s family needs to tile the floor of a rectangular room, 5 m in length and 3.8 m in width, with square tiles. The length of the side of each tile is 0.5 m. Each...
Đọc tiếp

1>My class of 32 students are going to a Fun Fair for children and need to buy entrance tickets for each student. The price of an entrance ticket is 5,000 dong. The good news is that when we buy 5 tickets, the Fun Fair gives us 1 extra ticket for free. How much does my class have to pay to buy enough tickets for the whole class?

2>Minh’s family needs to tile the floor of a rectangular room, 5 m in length and 3.8 m in width, with square tiles. The length of the side of each tile is 0.5 m. Each of the tiles close to the wall, if not a whole one, is cut from a whole tile. The total number of tiles needed to tile the room is ?

3>A student cycles from home to school in a distance of 1,200 m with speed of 2.5 m/s. There are 4 crossroads on the way; the time to stop for red lights at each crossroad is 30 s the longest. The longest time it takes the student to reach school is?

                               

1
14 tháng 5 2018

1. 6 kets = 25.000đ (5.000đ x 5), 32 : 6 = 5 and 2 kets, 25.000đ x 5 = 125.000đ + 2 x 5.000đ = 135.000đ

2. (5 x 3.8):(0.5 x 0.5) = 76

3. 1,200 : 2.5 = 480s + 30s x 4 = 600s = 10 minutes

9 tháng 2 2017

$18 nha bạn

k cho mk nha

15 tháng 2 2017

Cách làm thế nào dậy, nói ra thì mình mới biết chớ.

22 tháng 9 2021

ko hỉu viết tiếng việt đi

22 tháng 9 2021

đr viết Tiếng việt ik , Tiếng anh hok hiểu

I'm sorry to say that I don't see any mathematical expressions. And you should translate your questions into Vietnamese so all people can answer them.

6 tháng 8 2016

I am very sorry but I cannot see any numbers to answer your questions