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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
#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?
#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?
#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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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
#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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LT
Lê Thị Hồng Vy
10 tháng 3 2016 - olm

Giải nhanh giúp mình nhé:

There are four kids.If we computer the total ages of three of them at a time, a sums are 21, 24, 30 and 27 respectively. What is the difference in age between the oldest and the youngest among there four kids?
#Toán lớp 4
2
VT
Vũ Trà Giang
10 tháng 3 2016

6 à ?phải không?

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TH
Trần Hà Thủy Tiên
17 tháng 3 2016

theo mình là 30-21=9

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TM
TRẦN MINH TRUNG
11 tháng 3 2020 - olm

HELLO MY NAME IS TRUNG TODAY I HAVE ONE MATHS FOR EVERYONE THE MATHS IS : ONE DAY ONE MAN ASKED ANOTHERMAN MR.1 :my family have four people me wife me and two son. the total age 2 brother is 40 years old 4 years ago my age is 5 times your age and four time my age is the same as my mother my age is half the sum of 2 times his age and mother age.please calculate the total age of the family.
#Tiếng anh lớp 4
7
TK
Thanh Kim
11 tháng 3 2020

hỏi gì vậy bạn

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LP
Lê Phan Quân
11 tháng 3 2020

làm toán thông qua tiếng anh đó bạn

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TH
Trần Hữu Thịnh
27 tháng 2 2023 - olm
 There are three numbers such that the second is four times the first, the third is 3 less than the first. The sum of the first and the third numbers is 27. What is the average of three...
Đọc tiếp

 There are three numbers such that the second is four times the first, the third is 3 less than the first. The sum of the first and the third numbers is 27. What is the average of three numbers? 

 

 
#Tiếng anh lớp 4
0
LQ
Lê Quỳnh Anh
17 tháng 2 2019
Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage from 9 to 13Every child in Great Britain between the age of five and fifteen must (9) ______ school. There (10) ______ three main types of educational institutions: primary (elementary) schools, secondary schools and universities.State schools are free, and attendance is compulsory. Morning school begins at nine o’clock and lasts until half past four. School is open five days a week.(11)...
Đọc tiếp

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage from 9 to 13

Every child in Great Britain between the age of five and fifteen must (9) ______ school. There (10) ______ three main types of educational institutions: primary (elementary) schools, secondary schools and universities.

State schools are free, and attendance is compulsory. Morning school begins at nine o’clock and lasts until half past four. School is open five days a week.

(11) ______ Saturdays and Sundays there are no lessons. There are holidays at Christmas, Easter and in summer. In London as in all cities there are two grades of state schools for those (12) ______ will go to work at fifteen: primary schools for boys and girls between the ages of five and eleven, and secondary schools for children from eleven to fifteen years.

The lessons are reading, writing, the English language, English literature, English history, geography, (13) ______, nature study, drawing, painting, singing, woodwork and drill.

Điền ô số 9

A. attend     

B. come       

C. arrive       

D. go
#Mẫu giáo
1
DH
Dương Hoàn Anh
17 tháng 2 2019

Đáp án A

“attend”: tham dự, tham gia

Mỗi đứa trẻ ở Anh trong độ tuổi từ năm đến mười lăm phải đi học

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LQ
Lê Quỳnh Anh
20 tháng 3 2017
Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage from 9 to 13Every child in Great Britain between the age of five and fifteen must (9) ______ school. There (10) ______ three main types of educational institutions: primary (elementary) schools, secondary schools and universities.State schools are free, and attendance is compulsory. Morning school begins at nine o’clock and lasts until half past four. School is open five days a week.(11)...
Đọc tiếp

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage from 9 to 13

Every child in Great Britain between the age of five and fifteen must (9) ______ school. There (10) ______ three main types of educational institutions: primary (elementary) schools, secondary schools and universities.

State schools are free, and attendance is compulsory. Morning school begins at nine o’clock and lasts until half past four. School is open five days a week.

(11) ______ Saturdays and Sundays there are no lessons. There are holidays at Christmas, Easter and in summer. In London as in all cities there are two grades of state schools for those (12) ______ will go to work at fifteen: primary schools for boys and girls between the ages of five and eleven, and secondary schools for children from eleven to fifteen years.

The lessons are reading, writing, the English language, English literature, English history, geography, (13) ______, nature study, drawing, painting, singing, woodwork and drill.

Điền ô số 12

A. when      

B. where      

C. which      

D. who
#Mẫu giáo
1
DH
Dương Hoàn Anh
20 tháng 3 2017

Đáp án D

Ở đây mệnh đề quan hệ cần dùng là who (thay thế cho those – người)

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LQ
Lê Quỳnh Anh
19 tháng 1 2017
Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage from 9 to 13Every child in Great Britain between the age of five and fifteen must (9) ______ school. There (10) ______ three main types of educational institutions: primary (elementary) schools, secondary schools and universities.State schools are free, and attendance is compulsory. Morning school begins at nine o’clock and lasts until half past four. School is open five days a week.(11)...
Đọc tiếp

Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage from 9 to 13

Every child in Great Britain between the age of five and fifteen must (9) ______ school. There (10) ______ three main types of educational institutions: primary (elementary) schools, secondary schools and universities.

State schools are free, and attendance is compulsory. Morning school begins at nine o’clock and lasts until half past four. School is open five days a week.

(11) ______ Saturdays and Sundays there are no lessons. There are holidays at Christmas, Easter and in summer. In London as in all cities there are two grades of state schools for those (12) ______ will go to work at fifteen: primary schools for boys and girls between the ages of five and eleven, and secondary schools for children from eleven to fifteen years.

The lessons are reading, writing, the English language, English literature, English history, geography, (13) ______, nature study, drawing, painting, singing, woodwork and drill.

Điền ô số 13

A. scientist  

B. scientifically      

C. science    

D. scientific
#Mẫu giáo
1
DH
Dương Hoàn Anh
19 tháng 1 2017

Đáp án C

Science: môn Khoa học

Ở đây liệt kê hàng loạt các môn học, cho nên ở chỗ trống cũng phải là một môn học

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