K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

LƯU Ý

Các bạn học sinh KHÔNG ĐƯỢC đăng các câu hỏi không liên quan đến Toán, hoặc các bài toán linh tinh gây nhiễu diễn đàn. Online Math có thể áp dụng các biện pháp như trừ điểm, thậm chí khóa vĩnh viễn tài khoản của bạn nếu vi phạm nội quy nhiều lần.

Chuyên mục Giúp tôi giải toán dành cho những bạn gặp bài toán khó hoặc có bài toán hay muốn chia sẻ. Bởi vậy các bạn học sinh chú ý không nên gửi bài linh tinh, không được có các hành vi nhằm gian lận điểm hỏi đáp như tạo câu hỏi và tự trả lời rồi chọn đúng.

Mỗi thành viên được gửi tối đa 5 câu hỏi trong 1 ngày

Các câu hỏi không liên quan đến toán lớp 1 - 9 các bạn có thể gửi lên trang web h.vn để được giải đáp tốt hơn.

27 tháng 6 2017

Số 1: Tina làm việc 17 tiếng một tuần (thứ Hai đến thứ Sáu). Tuần trước, cô làm việc 4,5 tiếng vào thứ 2; 5 giờ vào Thứ ba; 2,2 giờ vào thứ Tư và 1,5 giờ vào thứ Năm. Cô đã làm việc ......... phút thứ sáu

đây là toán tiếng anh mà Lê Quang Tuấn Kiệt

 Exam number 1: Đi tìm kho báuQuestion 1:185,4 - 5,36 = ............Which answer is correct? a. 180,04b. 18,004c. 1,318d. 13,18Question 2:Calculate: 124,7 : 100 + 45,18 = ..............a. 46,427b. 47,426c. 46,247d. 47,246Question 3:Look at these numbers 5,586         0,293             0,675                5,595Two numbers in the box have a sum of 6,261 are .............a. 5,586 and 0,293b. 5,586 and 0,675c. 5,595 and 0,293d. 5,595 and 0,675Question 4:Brick is $28,25 per 25kg. How much is...
Đọc tiếp
 

Exam number 1: Đi tìm kho báu

Question 1:
185,4 - 5,36 = ............
Which answer is correct?

 

  • a. 180,04
  • b. 18,004
  • c. 1,318
  • d. 13,18

Question 2:

Calculate: 124,7 : 100 + 45,18 = ..............

  • a. 46,427
  • b. 47,426
  • c. 46,247
  • d. 47,246

Question 3:

Look at these numbers 
5,586         0,293             0,675                5,595
Two numbers in the box have a sum of 6,261 are .............

  • a. 5,586 and 0,293
  • b. 5,586 and 0,675
  • c. 5,595 and 0,293
  • d. 5,595 and 0,675

Question 4:

Brick is $28,25 per 25kg. How much is 350kg of brick?
Answer:

  • a. $395,5
  • b. $9887,5
  • c. $359,5
  • d. $8987,5

Question 5:

If X is a natural number and 0,5 x X > 8,3 then the smallest value of X is ............

 

Exam number 2: Choose 2 consecutive cells which have the same or equal value. (Tìm cặp bằng nhau)


Answer:
(1) = ......; (2) = ......; (3) = .......; (4) = .....; (5) = ......; (6) = ......; (7) = ........; (8) = ......; (11) = ......; (15) = .......

Nhập số thứ tự của các ô vào chỗ (....) cho thích hợp để được các cặp giá trị bằng nhau.

 

Exam number 3: Fill in the blank with the suitable number (Note: write decimal number with the comma between number part and fraction part. Ex: 0,5)

Question 1:
Find x such that 2,89 < x < 11,01 and x are even natural numbers. 
Answer: ................

(Write numbers in the order from smallest to greatest and use ";")

 

Question 2:

2,3m + 6,8m = ......... dm.

 

Question 3:

7m4dm= ........... cm2.

 

Question 4:

123004,64 : 10000 = ...............

 

Question 5:

15% of 370kg = .................g

 

Question 6:

2m3dm+ 1m35cm= ........... cm2.

 

Question 7:

The perimeter of the star equals the perimeter of the regular hexagon. Each side of the hexagon is 16cm long. Each side of the star is ........... cm long.

 

Question 8:

Jane bought jelly beans. She gave 9/11 of them for Jack. If Jane kept 36 jelly beans then she bought .......... jelly beans in total.

 

Question 9:

Tina works 17 hours a week (Monday to Friday). Last week she worked 4,5 hours on Monday; 5 hours on Tuesday; 2,2 hours on Wednesday and 1,5 hours on Thursday. She worked ......... minutes on Friday.

 

Question 10:

The value of 2,73 + 4,23 + 5,73 + 7,23 + 8,73 + 10,23 + 11,73 + 13,23 +14,73 + 16,23 + 17,73 is .....................

 

 

4

Exam 1:

Qestion 1: a

Qestion 2: a.

Qestion 3: b.

Qestion 4: a.

Qestion5: 16,8

Exam 2: 

Qestion1 : 3;4;5;6;7;8;9;10

Qestion 2: 91

Qestion 3 : 74000

Qestion 4 : 12,300464

Qestion 5 : 55500

Qestion 6 : .../

Các câu còn lại bn tự giải nha mk bận

*** mk nha mọi người

18 tháng 12 2016

Câu 1 : 185,4 - 5,36 = 180,04

Câu 2 : 124,7  : 100  +  45,18

           =  1,247 + 45,18 = 46,427

Câu 2 : 2,3 m + 6,8 m = 91 dm

Câu 3 : 7 m2 4 dm2 = 70000 cm2 + 400 cm2

                              = 70400 cm2

Câu 4 : 123004,64 : 10000  = 12,300464

Câu 5 : 15% của 370 kg là :

            370 x 15 : 100 = 55,5  ( kg )

              55,5 kg = 55500 g

Câu 6 : 2 m2 3 dm2 + 1 m2 35cm2

         = 23000 cm2 + 10035 cm2

         = 33035 cm2

15 tháng 10 2023

Ta có:

3/4 = 126/168

7/8 = 147/168

5/6 = 140/168

6/7 = 144/168

Do 147 > 144 > 140 > 126

⇒ 147/168 > 144/168 > 140/168 > 126/ 168

⇒ 7/8 > 6/7 > 5/6 > 3/4

⇒ 7/8 là số lớn nhất

Vậy ngày thứ Ba (Tuesday) là ngày anh ta làm việc lâu nhất

Chọn C

15 tháng 10 2023

Đề bài đâu bạn

 

8 tháng 2 2017

đây chỉ để hỏi về toán thôi , chứ không hỏi các câu hỏi tiếng anh bạn ạ.!

8 tháng 2 2017

ua day la toan ma ban

0.6 hour =  minutes.Question 2:51 hours =  days(Write your answer by decimal in the simplest form)Question 3:12 hours 24 minutes  2 =  hours.(Write your answer by decimal in the simplest form)Question 4:5 minutes 27 seconds: 3 =  seconds.Question 5:How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?Answer:  miles. Question 6:How fast is Anna going if she runs 8 miles in the park in only 2 hours?Answer:  mile/hour.Question 7:How fast is Jack going if...
Đọc tiếp

0.6 hour =  minutes.

Question 2:
51 hours =  days
(Write your answer by decimal in the simplest form)

Question 3:
12 hours 24 minutes  2 =  hours.
(Write your answer by decimal in the simplest form)

Question 4:
5 minutes 27 seconds: 3 =  seconds.

Question 5:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer:  miles.
 

Question 6:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer:  mile/hour.

Question 7:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? 
Answer:  miles/hour.
 

Question 8:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer:  km.
 

Question 9:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer:  km/h.
 

Question 10:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC. 
Answer:  

1
11 tháng 12 2021
🧐🧐🧐🧐🧐🤨🤨🤨🤨🤨🤔🤔🤔🤔🤔🤔🤔🤔🤔?????????
Question 1:51 hours =  days(Write your answer by decimal in the simplest form)Question 2:5 minutes 27 seconds: 3 =  seconds.Question 3:12 hours 24 minutes  2 =  hours.(Write your answer by decimal in the simplest form)Question 4:0.6 hour =  minutes.Question 5:How fast is Anna going if she runs 8 miles in the park in only 2 hours?Answer:  mile/hour.Question 6:Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?Answer:  km. Question 7:How fast is...
Đọc tiếp

Question 1:
51 hours =  days
(Write your answer by decimal in the simplest form)

Question 2:
5 minutes 27 seconds: 3 =  seconds.

Question 3:
12 hours 24 minutes  2 =  hours.
(Write your answer by decimal in the simplest form)

Question 4:
0.6 hour =  minutes.

Question 5:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer:  mile/hour.

Question 6:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer:  km.
 

Question 7:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? 
Answer:  miles/hour.
 

Question 8:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer:  miles.
 

Question 9:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC. 
Answer:  

Question 10:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer:  km/h.

0
Question 1:5 minutes 27 seconds: 3 =  seconds.Question 2:51 hours =  days(Write your answer by decimal in the simplest form)Question 3:12 hours 24 minutes  2 =  hours.(Write your answer by decimal in the simplest form)Question 4:0.6 hour =  minutes.Question 5:How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?Answer:  miles. Question 6:How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? Answer:  miles/hour. Question...
Đọc tiếp

Question 1:
5 minutes 27 seconds: 3 =  seconds.

Question 2:
51 hours =  days
(Write your answer by decimal in the simplest form)

Question 3:
12 hours 24 minutes  2 =  hours.
(Write your answer by decimal in the simplest form)

Question 4:
0.6 hour =  minutes.

Question 5:
How far will Mary travel if she rides her motorbike for 24 minutes at a speed of 75 miles/hour?
Answer:  miles.
 

Question 6:
How fast is Jack going if the train he is on travels 20 miles in just 6 minutes? 
Answer:  miles/hour.
 

Question 7:
Yesterday Peter roller skated for 2.5 hours at a speed of 6 km/h. How many kilometers did he skate?
Answer:  km.
 

Question 8:
How fast is Anna going if she runs 8 miles in the park in only 2 hours?
Answer:  mile/hour.

Question 9:
The area of a rectangle ABCD is . Given a random point E inside of ABCD.Find the total area of triangles AED and BEC. 
Answer:  

Question 10:
The distance between 2 trees is 300 meters. It will take a bird 30 seconds to fly between these 2 trees. How fast is the bird in kilometer per hour?
Answer:  km/h.

0