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Tất cả Toán Vật lý Hóa học Sinh học Ngữ văn Tiếng anh Lịch sử Địa lý Tin học Công nghệ Giáo dục công dân Âm nhạc Mỹ thuật Tiếng anh thí điểm Lịch sử và Địa lý Thể dục Khoa học Tự nhiên và xã hội Đạo đức Thủ công Quốc phòng an ninh Tiếng việt Khoa học tự nhiên
Mua vip
DC
Đứa con của quỷ
16 tháng 3 2016 - olm
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...
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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 
#Hỏi cộng đồng OLM #Toán lớp 6
1
QG
Quản gia Whisper
16 tháng 3 2016

chết liền đưa nhìu câu quá

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BM
Bùi Minh Hiển
15 tháng 3 2016 - olm
Question 2:The number of factors of 120 isQuestion 5:Find four integer numbers a,b,c,d such thata + b + c + d = 1a + c + d = 2a + b + d = 3a + b + c = 4Answer: (a;b;c;d)=() Question 6:The 215th  term of the expression A=1-7+13-19+25-31+⋯ isQuestion 7:A natural number will be increased by 9 times ifthe digit 0 is written between tens digit and units digit.The number isQuestion 8:Calculate: 1×2+2×3+⋯+100×101=Question 9:The root of the equation (x+1)+(x+2)+(x+3)+⋯+(x+100)=5750 is...
Đọc tiếp

Question 2:
The number of factors of 120 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:
The 215th  term of the expression A=1-7+13-19+25-31+⋯ is

Question 7:
A natural number will be increased by 9 times ifthe digit 0 is written between tens digit and units digit.The number is

Question 8:
Calculate: 1×2+2×3+⋯+100×101=

Question 9:
The root of the equation (x+1)+(x+2)+(x+3)+⋯+(x+100)=5750 is x=

Question 10:
The sum of digits of 31000 is A,the sum of digits of A is B,and the sum of digits of B is C.The value of C is
#Hỏi cộng đồng OLM #Toán lớp 6
2
ZY
Zz Yuki Nora zZ
16 tháng 3 2016

2: Ước của 120 là:

{1;2;3;4;5;6;8;10;12;15;20;24;30;40;60;120}

9: x+ (1+2+3+4+...+100) = 5750

    x + 5050= 5750

     x = 5750 - 5050 = 700

6. Chữ số thứ 215 là 1285

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HT
Hoàng Tử Mặt Trăng
16 tháng 2 2017

cau 2 la co 16 uoc

cau 5 a=7 b=-1 c=-2 d=-3

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B
bangtan
13 tháng 12 2018
Câu 1 :Each of cars can take 8 people. How many cars needed to take 124 people? Câu 2 : How many integer numbers between 200 and 300 are there for which the hundreds digit equals the sum of the other two digits? Câu 3 : The average of five numbers is 20. The average of the five number is 18 when one of the numbers is chaned to 4. What is the orginal value of the changed number? Câu 4 :A book has 250 pages starting at number 1. How many digits are there in the page numbers of the...
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Câu 1 :Each of cars can take 8 people. How many cars needed to take 124 people?

Câu 2 : How many integer numbers between 200 and 300 are there for which the hundreds digit equals the sum of the other two digits?

Câu 3 : The average of five numbers is 20. The average of the five number is 18 when one of the numbers is chaned to 4. What is the orginal value of the changed number?

Câu 4 :A book has 250 pages starting at number 1. How many digits are there in the page numbers of the book?

Câu 5 : Find A, if A is 3 less than the average of 48; 55; 29 and A. The value of A is…

Câu 6 : The sum of denominator and numerator of a fraction is 121 and the fraction is equal to 4/7. Find the denominator of the fraction?

Câu 7 : The sum of two numbers is equal to 77. If the first number is multiplied by 8 and the second by 6, the two product are equal. The larger of these numbers is…

Câu 8 : Which is the greatest 2 - digit number divisible by 2, 3 and 4?

Câu 9 : Calculate: (1 + 2/5) x 6/7.

Câu 10 : Give the number sequence: 1, 4, 7, 10, 13, … Find the 15th term of the number sequence.
#Hỏi cộng đồng OLM #Toán lớp 6
2
NH
nguyễn huy hoàng
13 tháng 12 2018

cậu lạc đè rồi

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P
phamthuynhu
27 tháng 12 2020

câu 1:16 ; câu 2 : ai mà biết được 

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NT
Nguyễn Thanh Phương
6 tháng 11 2016 - olm

there are four kids.If we compute the total ages of three of them at a time, the sums are 22,20,17,25 respectively. What is the difference in age between the oldest and the youngest among is four kids.

Giúp mình nhé <3
#Hỏi cộng đồng OLM #Toán lớp 6
2
BD
Băng Dii~
6 tháng 11 2016

. Câu hỏi :

Hỏi đứa trẻ lớn nhất hơn đứa trẻ nhỏ nhất bao nhiêu tuổi . 

      25 - 17 = 8 ( tuổi )

đ/s : 8 tuổi 

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DT
Đỗ Thùy Trang
7 tháng 4 2020

8 year ( 8 tuổi)

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T
tuber
30 tháng 6 2017 - olm

there are four kids .if we compute the total age of three of them at a time ,the sum are 22,20,17,25.what is the different of age between the oldest and the youngest among these four kids
#Hỏi cộng đồng OLM #Toán lớp 6
1
LC
Linh Cao
30 tháng 6 2017

The oldest than the smallest age is:

25 - 17= 8 (years old)

Answer: 8 years old

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MC
Minh Chu Xuân
1 tháng 10 2016 - olm

there are four kids .if we compute the total ages of three of them the sums are 22,20,17,25 respectively. what is the difference in age between the oldest and the youngest among these four kids?
#Hỏi cộng đồng OLM #Toán lớp 6
17
LT
Le Thi Khanh Huyen
1 tháng 10 2016

Có lẽ là 17.

Lý do :

Thấy : \(22=2.11\) \(\notin P\)

\(20=2^2.5\notin P\)

\(17\in P\)

\(25=5^2\notin P\)

Do đó ....

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MC
Minh Chu Xuân
1 tháng 10 2016

help me!

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IL
I LOVE PETS
28 tháng 9 2016 - olm

there are four kids .if we compute the total ages of three of them the sums are 22,20,17,25 respectively. what is the difference in age between the oldest and the youngest among these four kids?
#Hỏi cộng đồng OLM #Toán lớp 6
1
IL
I LOVE PETS
28 tháng 9 2016

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

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TN
Tôn Ngộ Không
29 tháng 9 2016 - olm
Câu 2:Mathematician Sophie Germain worked with codes and mathematics. If each letter of the alphabet is assigned a number starting with A = 1, B = 2, etc., the values of the letters in the alphabet will start to look like this:If your code is sum of the letter values, what is the value of "MATH" ?Answer: Câu 3:What is the next number in the pattern: 25, 23, 21, 19, 17, ...?Answer: Câu 4:A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with...
Đọc tiếp

Câu 2:
Mathematician Sophie Germain worked with codes and mathematics. If each letter of the alphabet is assigned a number starting with A = 1, B = 2, etc., the values of the letters in the alphabet will start to look like this:

If your code is sum of the letter values, what is the value of "MATH" ?
Answer: 

Câu 3:
What is the next number in the pattern: 25, 23, 21, 19, 17, ...?
Answer: 

Câu 4:
A farmer plants 450 seeds per row in his field. How many FULL ROWS would he be able to plant with 50000 seeds?
Answer: 

Câu 5:
Your school is having a canned food drive for Harvesters. How many total cans would you have if you made a solid pyramid with  cans on the first level,  on the second level and continue the pattern all the way up to just one can on top?
Answer:  cans.

Câu 6:
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?

Answer:  beans.

Câu 7:
The 112 4-grade students at Edgemont School donate pennies to raise 75 dollar for a local charity. What is the minimum number of pennies each student needs to bring if they are to meet their goal of collecting 75 dollar?
(1 dollar = 100 pennies)
Answer:  pennies.

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

Answer: 

Câu 9:
Joel is three years younger than his brother Jaime. The sum of their ages is fifty-five. How old is Joel?
Answer:  years old.

Câu 10:
Calculate:
#Hỏi cộng đồng OLM #Toán lớp 6
5
LM
Lê Minh Anh
30 tháng 9 2016

Question 2: Answer: 131208 (MATH)

Queston 3: Answer: 15 ; 13 ; 11 ; 9 ; 7 ; 5 ; 3 ; 1

Question 4: Answer: 1112

Question 7: Answer: 67 pennies

Queston 8: Answer: 9 feet = 108 inch

Question 9: Answer: 26 years old

(I think the question 5 ; 6 ; 10 is not enough)

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NT
Nguyen Thanh Phuong
6 tháng 11 2016

Lê Minh Anh câu 2 của  bạn đúng không vậy ?

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NQ
Nguyễn Quang Trung
8 tháng 10 2015 - olm
I. Circle the word whose underlined, bold part is pronounced differently from the others ( 1p)1A. busB. drugstoreC. museumD. lunch2A. engineerB. betweenC. teethD. greeting3A. readB. teacherC. eatD. breakfast4A. townB. downC. windowD. showerII. Circle the best words or phrases to complete the sentences ( 3ps)5- Hi, _______ name is Phong. I’m a student.A. myB. hisC. herD. our6- ________ do you live? I live on Tran Phu street.A. WhatB. WhereC. WhoD. How7- What is _____? It is a schoolbag.A....
Đọc tiếp

I. Circle the word whose underlined, bold part is pronounced differently from the others ( 1p)
1A. bus
B. drugstore
C. museum
D. lunch
2A. engineer
B. between
C. teeth
D. greeting
3A. read
B. teacher
C. eat
D. breakfast
4A. town
B. down
C. window
D. shower
II. Circle the best words or phrases to complete the sentences ( 3ps)
5- Hi, _______ name is Phong. I’m a student.
A. my
B. his
C. her
D. our
6- ________ do you live? I live on Tran Phu street.
A. What
B. Where
C. Who
D. How
7- What is _____? It is a schoolbag.
A. these
B. those
C. they
D. this
8- Every morning, Ba ______ up at six o’clock.
A. to get
B. get
C. gets
D. is getting
9- When do you have English? I have it ________ Monday and Thursday.
A. at
B. on
C. for
D. in
10- What time ____ you get up? I get up at five o’clock.
A. do
B. does
C. is
D. are
11- Are there any flowers to the left of your house? _____________ .
A. Yes, there are
B. Yes, there is
C. No, there isn’t D. Yes, they do
12- I go to the __________ to send the letter.
A. supermarket
B. zoo
C. post office
D. bank
13- Which sentence is correct?
A. Do your brother watches TV in the evening?
B. Is your brother watches TV in the evening?
C. Does your brother watches TV in the evening? D. Does your brother watch TV in the evening?
14- Which sentence is correct?
A. There is a flower garden to the left of the house.
B. There is a flowers garden to the left of the house.
C. There is a flower garden the left of the house.
D. There is a flower gardens to the left of the house.
15- “ It’s 9:45 now.” means: ________________.
A. It’s nine past forty- five.
B. It’s a quarter to ten.
C. It’s forty- five nine
D. It’s a quarter to nine.
#Hỏi cộng đồng OLM #Toán lớp 6
1
NT
nguyễn thị minh ánh
8 tháng 10 2015

mình trả lời câu 5: A. my

câu6: B. where

câu 7: D. this

câu 8: C.gets

câu9: B.on

câu 10: A.do

câu 11: yes, there are

câu 12: C

câu 13:  D

câu 14: A,B,D là câu đúng vì  nó đều giống nhau

câu 15:A

tick nha

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