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9 tháng 6 2017

6:2(1+2)=6:2x3=3x3=9

đs 9

9 tháng 6 2017

kết quả là :

    đề thiếu

Choose the correct answer. Calculate: 3/4 x 5/4 = ? 8/4 15/16 15/4 8/16 Câu hỏi 2: Calculate: 1/2 - 2/5 + 5/3 = .... 49/30 52/30 53/30 51/30 Câu hỏi 3: Alice's mother is now four times as old as she. Four years ago, her mother was thirty years more than her. How old is Alice now? 12 6 10 8 Câu hỏi 4: Choose the correct answer. Which of the following fractions is greater than 1? 2/3 7/9 11/12 14/8 Câu hỏi 5: Which fraction is equal to 51/34? 17/11 3/4 102/48 9/6 Câu hỏi 6: Fill in...
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Choose the correct answer. Calculate: 3/4 x 5/4 = ? 8/4 15/16 15/4 8/16 Câu hỏi 2: Calculate: 1/2 - 2/5 + 5/3 = .... 49/30 52/30 53/30 51/30 Câu hỏi 3: Alice's mother is now four times as old as she. Four years ago, her mother was thirty years more than her. How old is Alice now? 12 6 10 8 Câu hỏi 4: Choose the correct answer. Which of the following fractions is greater than 1? 2/3 7/9 11/12 14/8 Câu hỏi 5: Which fraction is equal to 51/34? 17/11 3/4 102/48 9/6 Câu hỏi 6: Fill in the blank: 37 minutes 48 seconds + 29 minutes 36 seconds = .... minutes 24 seconds. 67 66 65 68 Câu hỏi 7: Charlie has eighteen pens more than Bill. Bill has one third as pen as Charlie. How many pens does Bill have? 9 pens 6 pens 3 pens 2 pens Câu hỏi 8: Fill in the blank: 1m2 = ....... cm2. Choose the correct answer. 10000 1000 100 100000 Câu hỏi 9: The sum of two numbers is the greatest - four digit number and their ratio is the smallest - two digit number. Find these numbers. 900 and 99 909 and 9090 989 and 10 999 and 989 Câu hỏi 10: Write 42/63 in lowest term. 4/6 4/9 2/3 6/9

0
22 tháng 10 2015

sao chép nguyên bản ở math violympic lun hả

20 tháng 12 2021

XZXZXZZXzX

20 tháng 12 2021

2/3 = 6/9
Because ò 14/9 > 6/9
-> Their difference is the smaller fraction.

22 tháng 3 2020

Answer:     

My hometown is Gia Loc town.It is a small town but have much friendly people.There are not have any river here but have a big swimming pool for everyone to swim. There are 4 seasons such as: spring,summer,autumn and winter.Summer is the hottest and winter is the coldest. The most special about my hometown is not about the beauty, it just about people here. They are very friendly,kind and often help anyone have difficult . i really love my hometown-Gia Loc very much !

22 tháng 3 2020

My hometown is Thanh Hoa city. It is big. Thanh Hóa is the biggest city . It has 3,64 million. My hometown has Mã river and has 4 seasons in the year. Spring in my hometown is coldest. Summer is the hottest. In Thanh Hoa has a big beach. It is a Sam Son beach.

In there is a city should has a lot of car.

---THE END---

Question 1: What is 1/6 of  744? Answer: 124Question 2: Express seventy thousand, four hundred and nine in numerals. Answer: 70409 Question 3: Study the pattern. 88:8=11   880:8=110  8800:8= ?  The missing number is 1100Question 4: Subtract 346 from 752. Answer: 406Question 5: The ratio of boys to girls at a school is 5:4. If there are 255 boys at the school then how many students are there at the school?  Answer: 459 students.Question 6: The product of  2 different natural numbers is 9. Their...
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Question 1: What is 1/6 of  744? Answer: 124
Question 2: Express seventy thousand, four hundred and nine in numerals. Answer: 70409 
Question 3: Study the pattern. 88:8=11   880:8=110  8800:8= ?  The missing number is 1100
Question 4: Subtract 346 from 752. Answer: 406
Question 5: The ratio of boys to girls at a school is 5:4. If there are 255 boys at the school then how many students are there at the school?  Answer: 459 students.
Question 6: The product of  2 different natural numbers is 9. Their sum is 10 
Question 7: Jack, Mary and Jacob buy ice creams. Jack buys twice as many as Mary. Jacob buys three times as many as Jack. If Jacob buys 12 ice creams then Mary buys 2 ice creams.
Question 8: My giant flower doubles its size every day. On Friday, it is 5 ( hay 10 gì đó ) times as big as its was on the preceding Sunday.
Question 9: If we write all of the whole numbers from 10 through 99 and cross out any number in which the first or second digit is divisible by 2 (for example, 41 is crossed out as 4 is divisible by 2 and 36 is crossed out as 6 is divisible by 2), how many numbers are crossed out? Answer: 65 numbers.
Question 10: It takes Bella three hours to clean a house. It takes Anna two hours to clean the house. How long would it take for them to clean it together?  Answer: 72 minutes.

6
21 tháng 1 2016

Câu hỏi 1: Điều gì là 1/6 của 744? Trả lời: 124 
Câu hỏi 2: Thể hiện bảy mươi ngàn, 409 bằng chữ số. Trả lời: 70.409  
Câu hỏi 3: Nghiên cứu mô hình. 88: 8 = 11 880: 8 = 110 8800: 8 =? Số còn thiếu là 1100 
Câu hỏi 4: Trừ 346 từ 752. Trả lời: 406 
Câu hỏi 5: Tỷ lệ trẻ em trai cô gái tại một trường học là 5: 4. Nếu có 255 trẻ em trai tại trường sau đó có bao nhiêu sinh viên đang học tại trường? Câu trả lời:. 459 sinh viên 
Câu hỏi 6: Các sản phẩm của 2 số tự nhiên khác nhau là 9. tổng của chúng là 10  
Câu hỏi 7: Jack, Mary và Jacob mua kem. Jack mua gấp đôi so với Mary. Jacob mua ba lần so với Jack. Nếu Jacob mua 12 kem sau đó Mary mua 2 kem. 
Câu hỏi 8: bông hoa khổng lồ của tôi tăng gấp đôi kích thước của nó mỗi ngày. Hôm thứ sáu, nó là 5 (hay 10 gì đó) lần lớn như nó đã vào trước ngày Chủ nhật. 
Câu 9: Nếu chúng ta viết tất cả các số nguyên từ 10 đến 99 và gạch bỏ bất kỳ số trong đó chữ số đầu tiên hoặc thứ hai được chia hết cho 2 (ví dụ, 41 được gạch chéo là 4 là chia hết cho 2 và 36 được gạch chéo là 6 chia hết cho 2), có bao nhiêu số đang vượt qua? Câu trả lời:. 65 số 
Câu hỏi 10: Mất Bella ba giờ để làm sạch một ngôi nhà. Phải mất Anna hai giờ để dọn dẹp nhà cửa. Bao lâu nó sẽ đưa cho họ để làm sạch nó với nhau? Trả lời: 72 phút.

22 tháng 1 2016

Cau 8 Phan Ba Cuong sai, phai la 32 lan

Câu hỏi 1:Charlie has eighteen pens more than Bill. Bill has one third as pen as Charlie. How many pens does Bill have?9 pens    6 pens   3 pens  2 pensCâu hỏi 2:Fill in the blank: 1m2 = ....... cm2. Choose the correct answer.10000   1000   100   100000Câu hỏi 3:Choose the correct answer. Calculate: 3/4 x 5/4 = ?8/4  15/16  15/4   8/16Câu hỏi 4:Calculate: 1/2 - 2/5 + 5/3 = ....49/30  52/30   53/30   51/30Câu hỏi 5:Which fraction is equal to 51/34?17/11    3/4   102/48    9/6Câu...
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Câu hỏi 1:

Charlie has eighteen pens more than Bill. Bill has one third as pen as Charlie. How many pens does Bill have?

9 pens    6 pens   3 pens  2 pens

Câu hỏi 2:

Fill in the blank: 1m2 = ....... cm2. Choose the correct answer.

10000   1000   100   100000

Câu hỏi 3:

Choose the correct answer. Calculate: 3/4 x 5/4 = ?

8/4  15/16  15/4   8/16

Câu hỏi 4:

Calculate: 1/2 - 2/5 + 5/3 = ....

49/30  52/30   53/30   51/30

Câu hỏi 5:

Which fraction is equal to 51/34?

17/11    3/4   102/48    9/6

Câu hỏi 6:

Write 42/63 in lowest term.

4/6   4/9   2/3   6/9

Câu hỏi 7:

Choose the correct answer. Which of the following fractions is greater than 1?

2/3  7/9  11/12   14/8

Câu hỏi 8:

The sum of two numbers is the greatest - four digit number and their ratio is the smallest - two digit number. Find these numbers.

900 and 9990   9 and 9090   989 and 1099   9 and 989

Câu hỏi 9:

Alice's mother is now four times as old as she. Four years ago, her mother was thirty years more than her. How old is Alice now?

12  6    10   8

Câu hỏi 10:

Fill in the blank: 37 minutes 48 seconds + 29 minutes 36 seconds = .... minutes 24 seconds.

67  66  65 68

3
5 tháng 3 2017

1.

2.10000cm2

3.15/4

4.53/30

5.9/6

6.6/3

7.14/8

5 tháng 3 2017

Bn lên Google dịch rồi dịch những bài này sau đó rồi làm nha .

Tk cho mk nha

1 tháng 2 2017

Question 2 là 21

Question 2:Fill in the blank with the suitable sign (>, <, =)Question 2.1:Compare: 5/123 ............1/41Fill in the blank with the suitable number.Question 2.2:Divide Write your answer in the simplest form.Question 2.3:3km2 = .......... m2.Question 2.4:...../4 m = 175cm.The missing number is .............Question 2.5:The cost of eight spoons is 4 dollars. How much do 6 spoons cost?Answer:6 spoons cost ..............dollars.Question 2.6:The sum of two consecutive odd numbers is 2016. The...
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Question 2:

Fill in the blank with the suitable sign (>, <, =)
Question 2.1:
Compare: 5/123 ............1/41

Fill in the blank with the suitable number.

Question 2.2:
Divide 

Write your answer in the simplest form.

Question 2.3:

3km= .......... m2.

Question 2.4:

...../4 m = 175cm.
The missing number is .............

Question 2.5:

The cost of eight spoons is 4 dollars. How much do 6 spoons cost?
Answer:
6 spoons cost ..............dollars.

Question 2.6:

The sum of two consecutive odd numbers is 2016. The greater number is ...............

Question 2.7:

The sum of denominator and numerator of a fraction is 91 and the fraction is equal to 6/7. The denominator of the fraction is ...............

Question 2.8:

1/2 + 1/4 + 1/n = 11/12
The value of n is ...........

Question 2.9:

Bella has 30 candies. Alice has 5 candies fewer than Bella. Sara has 5 candies more than Bella. How many candies do they have altogether?
Answer:
They have .......... candies altogether.

Question 2.10:

The sum of the page number of the last 3 pages of a book is 369. What is the last page number?
Answer:
The last page number is .............

Question 3:

Question 3.1:
25mm= .............

  • a. 1/40m2
  • b. 1/400m2
  • c. 1/4000cm2
  • d. 1/40000m2

Question 3.2:

3/100 m= ...........

  • a. 3dm2
  • b. 30cm2
  • c. 3mm2
  • d. 3cm2

Question 3.3:

2kg = ..........

  • a. 20g
  • b. 200g
  • c. 2000g
  • d. 20000g

Question 3.4:

Write >, <, = 
3cm200mm............. 3200mm2

Question 3.5:

3/10 kg = .............g.

 

1
4 tháng 3 2017

Question 2.1 : 5/123 < 1/41

Question 2.3 : 3km2 = 3000000m2

Question 2.4 : 7/4m = 175cm

Question 2.5 : 6 spoons cost 3 dollars