According to the follwing sequence for first 2021 terms, how many even numbers are there.

NY

Nguyễn Yến Nhi

28 tháng 3 2021 - olm

#Toán lớp 6

1

DD

Dương Đức Hà

28 tháng 3 2021

Python Challenges - 1: Exercises, Prace, Solution - w3resource

sai thôi nha đừng tink tui sai

Đúng(0)

PP

Phung Phu Son

2 tháng 7 2023

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?

#Toán lớp 4

0

TM

Tô Mạnh Hùng

12 tháng 9 2016 - olm

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 ?

#Toán lớp 6

0

NX

Nguyễn Xuân Bách

13 tháng 4 2022 - olm

Combinatorics21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?Different way: Cách khác nhau.22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form...

Đọc tiếp

#Toán lớp 5

6

PT

Phan Thuý Bình

13 tháng 4 2022

là seo pạn?mik hem hỉu??????????????????????

Đúng(0)

PT

Phan Thuý Bình

13 tháng 4 2022

Đọc cái bài mà mún trầm kẻm!

Đúng(0)

NX

Nguyễn Xuân Bách

13 tháng 4 2022 - olm

Combinatorics21. 15 students join a competition. Only top 5 students can be promoted to next round. How many different way(s) of promotion advance is / are there?Different way: Cách khác nhau.22. It is known that there are 8 classes of grade 5 in a primary school. At least how many students are there in grade 5 to ensure there exist 41 students in the same class?At least: Ít nhất; Ensure: Chắc chắn; Exist: Tồn tại.23. Choose 3 digits from 1, 2, 3, 4, 6, 8 and 0 to form...

Đọc tiếp

#Toán lớp 5

1

TH

Tran Hai Yen

13 tháng 4 2022

chịu thoi khs quá

Đúng(0)

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 book? Câu 5...

Đọc tiếp

#Toán lớp 6

2

NH

nguyễn huy hoàng

13 tháng 12 2018

cậu lạc đè rồi

Đúng(0)

P

phamthuynhu

27 tháng 12 2020

câu 1:16 ; câu 2 : ai mà biết được

Đúng(0)

FY

Fuck you BITCH

14 tháng 4 2018 - olm

Anna wrote a sequence of numbers using the rule " subtract 8". The first two terms in her sequence were 2017 and 1999. Which number below is one term of Anna's sequence ?

#Toán lớp 4

0

NQ

Ngô Quý Hải

9 tháng 10 2021 - olm

Choose 3 digits, without repetition, from 1, 2, 4, 6, 8 to form 3-digit even numbers. How many numbers are there ?

Please help me !

#Toán lớp 4

2

HL

Huỳnh Lê Minh

9 tháng 10 2021

bạn ghi là 124 nhé

Đúng(0)

NQ

Ngô Quý Hải

19 tháng 10 2021

OK IT IS RIGHT

Đúng(0)

DH

Đỗ Hoàng Mơ Hạnh

13 tháng 12 2018 - olm

There are 23 kids seated in a row. They call out the numbers from left to right as 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, … for the first round. They call out 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, … from right to left for the second round. How many kids call out the same number in two rounds?

#Toán lớp 5

3