A,B,C,D,A C,B C,A D,B D represent 8 diffirent natural numbers from 1 to 8. If A is the largest number in the number from 1 to 8.Find AHow many natural numbers are there between 100 and 999 that unit-d...

1

QG

Quản gia Whisper

16 tháng 3 2016

chết liền đưa nhìu câu quá

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...

B

bangtan

13 tháng 12 2018

2

NH

nguyễn huy hoàng

13 tháng 12 2018

cậu lạc đè rồi

P

phamthuynhu

27 tháng 12 2020

câu 1:16 ; câu 2 : ai mà biết được

NT

Nguyễn Thảo Nhi

16 tháng 10 2021

Exercise 7. Choose 2 numbers, without repetition, from 0, 3, 5, 6, 9 to form a 2-digit number. How many numbers with a digit “9” are there?

A. 6 B. 9 C. 7 D. 8

1

R

Rin•Jinツ

16 tháng 10 2021

D

TM

Tô Mạnh Hùng

12 tháng 9 2016

In a number sequence : 1 , 1 , 2, 3 , 5 , 8 , 13 , 21 , ... , starting from the third number , each number is the sum of the two numbers that come just before it . How many even numbers are there among the first 1000 numbers in the number sequence ?

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 x=Question...

0

BM

Bùi Minh Hiển

15 tháng 3 2016

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

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

NN

Nguyễn Ngọc Huyền

24 tháng 12 2015

jack writes the consecutive natural number from 1 to 10 on a board . if he erasers some of the numbers and adds up the remaining ones then he will get a sum of 30.The number of numbers that is erased on the board at most is ...................................

Exam number 1: Fill in the blank with the suitable number Question 1: The expression is equal to .............. Đáp án của bạn Question 2: What number should be placed in the box to make? Đề thi Violympic Toán Tiếng Anh lớp 4 vòng 9 năm 2015 - 2016 Answer: ........... Đáp án của bạn Question 3: What is the remainder when 65870 is divided by 8? Answer: .............. Đáp án của bạn Question 4: Mya has 10000 dollars in bills of 40 dollars.How many 40 dollars- bills...

0

SS

songuku ssj9

1 tháng 3 2018

Exam number 1: Fill in the blank with the suitable number Question 1: The expression is equal to .............. Đáp án của bạn Question 2: What number should be placed in the box to make? Đề thi Violympic Toán Tiếng Anh lớp 4 vòng 9 năm 2015 - 2016 Answer: ........... Đáp án của bạn Question 3: What is the remainder when 65870 is divided by 8? Answer: .............. Đáp án của bạn Question 4: Mya has 10000 dollars in bills of 40 dollars.How many 40 dollars- bills does she have? Answer: ............... 40 dollars- bills. Đáp án của bạn Question 5: A large box of candies and a small box of candies together cost 13 dollars. If the large box costs 5 dollars more than the small box, what is the price of the small box of candies? Answer: ............. dollars. Đáp án của bạn Question 6: Six students had an orange eating contest. The graph shows the number of oranges eaten by each student. Mary ate the fewest oranges and Jack ate the greatest. How many more oranges did Jack eat than Mary? Đề thi Violympic Toán Tiếng Anh lớp 4 vòng 9 năm 2015 - 2016 Answer: ............. oranges. Đáp án của bạn Question 7: The numbers from 1 to 1000 are written. How many of these numbers have at least two digits 5? Answer: .............. numbers. Đáp án của bạn Question 8: Five students do an exam with a maximum score of 50. The scores of four of the students are 41, 44, 46 and 49. The average of five students’ scores is the same as the score of the fifth student. The score of the fifth student is ............. Đáp án của bạn Question 9: Five years ago, Sarah was 7 years old. Two years later, she will be ............. years old. Đáp án của bạn Question 10: A fraction is equal to . The sum of its denominator and its numerator is 91. What is the difference between the denominator and numerator of this fraction? Answer: .............. Đáp án của bạn Exam number 2: Đi tìm kho báu Question 1: Nick has 3/5 of a dollar and Emma has 3/10 of a dollar. Together they have …………. a. $6/10 b. $8/10 c. $9/10 d. $15/10 Question 2: The value of 1/12 : 1/8 = …………. (Write your answer by fraction in the simplest form) Đáp án của bạn Question 3: The symbol Đề thi violympic toán tiếng anh lớp 4 vòng 9 is evaluated as 4 x 7 – 3 x 6 = 10. If Đề thi violympic toán tiếng anh lớp 4 vòng 9is evaluated as 29 then the number that should be replaced in the question mark is …………… Đáp án của bạn Question 4: The are of a rectangular garden is 36m2. Its has a length of 9m. Its perimeter, in metres, is …………….. Đáp án của bạn Question 5: Last year, Bob’s age is divided by 7. This year, his age is divisible by 5. In how many years will Bob be 27 years old? Answer: ……….. years. Đáp án của bạn Exam number 3: Cóc vàng tài ba Question 1: The value of 40 + 60000 + 500 + 30 is …………. a. 65070 b. 65430 c. 60570 d. 60543 Question 2: The average of the numbers 21, 23, 25 and 27 is ………………. a. 22 b. 23 c. 24 d. 26 Question 3: The perimeter of a rectangular is 3 times its length. If the perimeter is 120cm, the area of the rectangle is ………… a. 3200cm b. 800cm c. 800cm2 d. 3200cm2 Question 4: Which number should be replace the blank: Đề thi violympic toán tiếng anh lớp 4 vòng 9 a. 32 b. 96 c. 48 d. 24 Question 5: Sophia plants ten trees every three minutes. If she continues planting at the same rate, how long will it take she to plant 250 trees? a. 5/4 h b. 25h c. 3/4 h d. 75h Question 6: Anna scored 325 points during the badminton season. If her average point was 13 per game, how many games did she play? a. 25 b. 13 c. 26 d. 14 Question 7: If a machine produces 90 items in one minute, how many items would it produce in 20 second? a. 180 b. 20 c. 30 d. 60 Question 8: The digits 1, 2, 3, 4, 5 and 6 are each placed in one of the boxes so that the resulting product is correct. If each of the six digits is used exactly once, the digit represented by’?” is …………. Đề thi violympic toán tiếng anh lớp 4 vòng 9 a. 6 b. 2 c. 3 d. 4 Question 9: The average of five different natural numbers is 4. If the different between the largest and smallest of these numbers is as large as possible, what is the average of the other three numbers? a. 5 b. 2 c. 3 d. 6

giúp mình với mai mình kiểm tra rồi ( nhớ giải thích cách làm nhé )

#Toán lớp 4

1

IV

ʝίʂόό βɭάςκρίήκ

3 tháng 8 2020

cái này tui biết này ! tui cũng thi giải toán tiếng anh nhưng chỉ được cấp huyện còn cấp tỉnh ko biết vòng huyện tui 780 điểm thời gian 441 giây và đạt giải nhì cậu ở hà nam hả tớ cũng thế

C

caoquynh

26 tháng 2 2016

Jack writes the consecutive natural numbers from 1 to 10 on a board. If he erases some of the numbers and adds up the remaining ones then he will get a sum of 30. The number of numbers that is erased on the board at most is

#Toán lớp 4

0

LC

linh châu

17 tháng 2 2016

Jack writes the consecutive natural numbers from 1 to 10 on a board. If he erases some of the numbers and adds up the remaining ones then he will get a sum of 30. The number of numbers that is erased on the board at most is

#Toán lớp 4

2

HT

Hoàng Tuấn Minh

17 tháng 3 2016

Jack viết các số từ 1 đến 10 là : 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 .

Vì 10 + 9 + 8 + 3 = 30

Nên phải gạch đi các số 1 , 2 , 4 , 5 , 6 , 7 . Hay nói ngắn gọn là gạch đi 6 số .

k nha !

TH

trần hải my

15 tháng 2 2017

thế cũng đề bài đấy nhưng từ 1 đến 11 còn tồng sau là 40