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7 tháng 10 2016

15 va 18

tk nhe

minh lam roi

trong math violympic ay

1 tháng 10 2016

15;18

8 tháng 4 2023

\(3,2,1,0,00,000,0000,...\)

\(\text{So, 00 = -1, 000 = -2 and 0000 = -3. and it follows that 000 + 0000 = -2 + (-3) = -5}\)

8 tháng 4 2023

\(\text{3,2,1,0,00,000,0000,...}\)

\(\text{So, 00 = -1, 000 = -2 and 0000 = -3. and it follows that 000 + 0000 = -2 + (-3) = -5}\)

2 tháng 12 2015

 1 to 99 =20 
100 to 199 =120 
200 to 299 =20 
300 to 399 =20 
400 to 499 =20 
500 to 599 =20 
600 to 699 =20 
700 to 799 =20 
800 to 899 =20 
900 to 999 =20 
1000 = 1 
total=301 

2 tháng 12 2015

Pokemon Dễ thì làm đi!

Question 1:The least common multiple of 330; 65; 15 is Question 2:Given seven numbers: 25; 17; 39; 43; 239; 1021; 1023.The composite numbers are  (Write numbers in order from the least to the greatest and use ";")Question 3:The common factors of 18 and 27 are (Write numbers in order from the least to the greatest and use ";")Question 4:Given the set of even numbers: {2; 4; 6; …; 100}.The number of elements is Question 5:Find four integer numbers a,b,c,d such thata + b + c + d = 1a + c + d = 2a + b + d = 3a + b + c...
Đọc tiếp

Question 1:
The least common multiple of 330; 65; 15 is 

Question 2:
Given seven numbers: 25; 17; 39; 43; 239; 1021; 1023.
The composite numbers are  
(Write numbers in order from the least to the greatest and use ";")

Question 3:
The common factors of 18 and 27 are 
(Write numbers in order from the least to the greatest and use ";")

Question 4:
Given the set of even numbers: {2; 4; 6; …; 100}.The number of elements is 

Question 5:
Find four integer numbers a,b,c,d such that
a + b + c + d = 1
a + c + d = 2
a + b + d = 3
a + b + c = 4
Answer: (a;b;c;d)=() 

Question 6:
Find a four-digit natural number that is less than 2015.If the thousands digit is erased,the number will be decreased by 9 times. 
Answer:The number is 

Question 7:
Calculate: 1×2+2×3+⋯+100×101=

Question 8:
The  term of the expression A=1-7+13-19+25-31+⋯ is 

Question 9:
Given the expression A= ...
Find the value of n such that 2A+3=
Answer: n=

Question 10:
A natural number has six digits and the units digit is 4.If the units digit is moved to the first row then the number will be increasedby 4 times.The number is 

1
16 tháng 3 2016

chết liền đưa nhìu câu quá

11 tháng 11 2015

I don't understand English

7 tháng 6 2018

Write the following numbers by using Roman number 28

Trả lời

Viết các số sau bằng cách sử dụng số La Mã 28

Hok tốt

7 tháng 6 2018

XXVIII

7 tháng 10 2018

Hi,my name 's Quynh Anh.Im in class 6A at Thanh Mai secondary school.My best friend is Linh.I'm tall,sensitive and caring.Linh is thin,talkatie,curious and active.In the morning,we'll have a school group from 7 am to 10 am.In the afternoon,we will paint some picture for the art.Then we will play sports.At 7 pm we'll walk and eat ice cream.At 8 pm we'll study andprepare for the lessons of the next day.today is very wonderful !

Câu 1:A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?Câu 2:It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?Câu 3:If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?Câu 4:What is the next number...
Đọc tiếp

Câu 1:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?

Câu 2:
It takes Abby twice as long as Blair and half as long as Caitlin to ride her bike to school. If it takes Blair 10 minutes to ride her bike to school, how long does it take Caitlin to go to school?

Câu 3:
If you make the 8000km trip, about how much would it cost at today's prices of 3.00 dollar per liter of gas when your car gets 25km per liter?

Câu 4:
What is the next number in the pattern: 25, 23, 21, 19, 17, ...?

Câu 5:
What is the value of the following expression: ?

Câu 6:
The difference between two numbers is 3. Their sum is 33. What are the two numbers?
(write your answer in order from least to greatest and use ";" between the numbers)

Câu 7:
Examining the operation of how to use the number of days to find the number of beans in a classroom jar is shown the table. On day 31, how many beans would be in the jar?

Câu 8:
Use the table of values to help you find the value of 9 feet in inches.

Câu 9:
If  and , what is the value of ? 

Câu 10:
What is the next number in the pattern: 1, 8, 27, ...?
 

 

5
5 tháng 11 2016

it's math for vietnamese ok 

5 tháng 11 2016

chịu tk nhé @@@@@@@@@@@@