The operation @ on two numbers produces a number equal to their sum minus 2.The value of (...(( 1 @ 2) @ 3) ... @ 2017 ) is

0

DT

Đinh Tuấn Việt

10 tháng 4 2017

the operation on two numbers produces a number equal to their sum minus 2. The value of (...((1@2)@3)...@2017) is ???

2

NL

Nhật Linh

10 tháng 4 2017

?

Are you ko bt tiếng Việt?

ND

Nguyễn Đinh Huyền Mai

10 tháng 4 2017

Các hoạt động trên hai số sản xuất một số bằng tổng của họ trừ đi 2. Giá trị của (... ((1 @ 2) @ 3) ... @ 2017) là ???

TH

Trinh Hai Nam

4 tháng 7 2017

The operation @ on two numbers produces a number equal to their sum minus 2. The value of (...((1@2)@3)...@2017) i

4

NA

Nếu anh còn tồn tại

4 tháng 7 2017

What đờ....

Cậu vt cái j mk k hỉu

Mk k bt sr nha

NV

nguyển văn hải

4 tháng 7 2017

@ là gì vậy bn

...

ko hiểu

1) ABC is a triangle where M is the midpoint of segment BC. MD and ME are two bisectors of triangles AMB and AMC respectively. If AM= m; BC = a . Then DE = ??? 2)\(\dfrac{1}{\left(x+29\right)^2}+\dfrac{1}{\left(x+30\right)^2}=\dfrac{5}{4}\) What is the product of all real solutions to the equation above? 3) The sum of all possible natural numbers n such that \(n^2+n+1589\) is a perfect square is..... 4) Given that x is a positive integer such that x and x+99 are perfect squares The...

HT

Hoàng Thế Vinh

12 tháng 3 2017

2

PN

Phan Nguyễn Hoàng Vinh

19 tháng 3 2017

?????????????????????????????????????????????? Are you learning English or Math? I'm sure you are're mistake of English

HT

Hoàng Thế Vinh

19 tháng 3 2017

:v

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

#Toán lớp 6

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

NL

nguyên lê trần anh

11 tháng 10 2016

the sum of two numbers is equal to 77 if the first number is mutiplied by 8 and the second number by 6, the two product is equal. the larger number of these numbers is ...

#Toán lớp 5

7

LH

Lãnh Hạ Thiên Băng

11 tháng 10 2016

tổng của hai số bằng 77 nếu số đầu tiên được nhân 8 và số thứ hai 6, cáctích hai là bằng nhau. số lượng lớn hơn của những con số này là ..

RV

Robin VAn Persie

11 tháng 10 2016

chuẩn đề chẳng rõ tí nào

LUYỆN VIOLYMPIC TIẾNG ANH LỚP 4 (2021-2022)Câu 1: The sum of all one digit numbers?Câu 2: Which value is not equal to 4500? (45tens, 450tens, 45 hundred)Câu 3: Which number below is the word form of 20 300?Câu 4: How many two digit odd numbers are there that are greater than 15?Câu 5: Lily writers a number. It has the digit 5 in the thousands place and the digit 8 in the units place. Which of these numbers could Lily have written?Câu 6: What is the smallest posible number that can be...

TP

Trần Phương Anh

4 tháng 12 2021

LUYỆN VIOLYMPIC TIẾNG ANH LỚP 4 (2021-2022)

Câu 1: The sum of all one digit numbers?

Câu 2: Which value is not equal to 4500? (45tens, 450tens, 45 hundred)

Câu 3: Which number below is the word form of 20 300?

Câu 4: How many two digit odd numbers are there that are greater than 15?

Câu 5: Lily writers a number. It has the digit 5 in the thousands place and the digit 8 in the units place. Which of these numbers could Lily have written?

Câu 6: What is the smallest posible number that can be written using the digits 4, 7, 0, 6? (use each digit only once)

Câu 7: If the sum of three consecutive natural numbers is less than 90, find the largest possible value of the largest natural number is?

Câu 8: How many multiples of 4 lie between 1000 and 2500?

Câu 9: Read number: 35 206 :...........................................................

Câu 10: Jack finished the bicycle race with a time of 34152 seconds, Jane finished with a time of 34215 seconds, and Tina finished with a time of 34125 seconds. In what order did they finish the race?

Câu 11: The The greatest odd number that can be formed by all the digit 1,2,0 and 8 is?

Câu 12: A rectangle having length and breadth are 25cm and 8cm respectively. The perimeter of the rectangle?

Câu 13: Amy put 50 photographs into an online photo album. On each page she could fit eight photos. How many photos were on the last page?

Câu 14: Bon is 5 years old. Ben’s age is 3 years more than the double of Bon’s age. Find the age of Ben?

Câu 15: Which value is equal to 56 hundreds? (56000; 5600 tens; 560 tens; 56 units)

Câu 16:What is the perimeter of a square with side lengths of 205 cm?

Câu 17: What is the greatest 3-digit number whose digits total is 13?

Câu 18: Anna has a chocolate chip cookie recipe that makes 60 cookies and calls for 6cups of flour. If he only wants to make 40 cookies. How many cups of flour would he need?

Câu 19: A string of 5m35cm was cut into 5 equal parts. What’s the length of each part in cm?

Giúp mình với!

#Tiếng anh lớp 4

2

LP

Lê Phạm Bảo Linh

4 tháng 12 2021

Câu 1: The sum of all one digit numbers?
1+2+3+4+...+9=45

Câu 2: Which value is not equal to 4500? (45tens, 450tens, 45 hundred)
45tens

Câu 3: Which number below is the word form of 20 300?
twenty thousand and three hundred

Câu 4: How many two digit odd numbers are there that are greater than 15?
17; 19; 21; .....; 99=> (99-17):2+1=83 numbers

Câu 5: Lily writers a number. It has the digit 5 in the thousands place and the digit 8 in the units place. Which of these numbers could Lily have written?
5008

Câu 6: What is the smallest posible number that can be written using the digits 4, 7, 0, 6? (use each digit only once)
0476( because it doesn't talk that the number need 4 digits)

Câu 7: If the sum of three consecutive natural numbers is less than 90, find the largest possible value of the largest natural number is?
n;n+1;n+2 => 90:3=30-> n+1=30=> n=29=>n+2=31

Câu 8: How many multiples of 4 lie between 1000 and 2500?
=> 1000\(\le\)x\(\le\)2500=> There are 376 numbers is the multiples of 4

Câu 9: Read number: 35 206 :.thirty five thousand two hundred and six

Câu 10: Jack finished the bicycle race with a time of 34152 seconds, Jane finished with a time of 34215 seconds, and Tina finished with a time of 34125 seconds. In what order did they finish the race?
The same order

Đúng(1)

NT

Nguyễn Thị Cúc

4 tháng 12 2021

câu 1: 45

câu 2:450 tens

câu 4:42

câu 6:4067

ST

Song Thư

17 tháng 12 2016

The sum of two numbers is equal to 77. If the first number is multiplied by 8 and the second by 6, the two products are equal. The larger of two number is...

#Toán lớp 5

2

DT

Đinh Thị Thu Hằng

15 tháng 12 2017

ngu vaayj

DT

Đinh Thị Thu Hằng

15 tháng 12 2017

học trường nào mà ngu dữ vậy

DD

Đào Dương Quốc Minh

25 tháng 1 2022

An infinite sequence of numbers 1, 2, 3, 5, 8, 3, 1, 4, 5, 9, 4, … follows the
pattern such that starting from the third number, each number is equal to the units
digit of the sum of the two numbers in the sequence immediately preceding it.
What is the 2019th number of the sequence?

#Tiếng anh lớp 5

2

NH

Nguyễn Hải Đăng

25 tháng 1 2022

đề bài là gì vậy

NB

Nguyễn Bình Nguyên

25 tháng 1 2022

Một dãy vô hạn các số 1, 2, 3, 5, 8, 3, 1, 4, 5, 9, 4, ... theo sau bài toán sao cho bắt đầu từ số thứ ba, mỗi số bằng hàng đơn vị của tổng của hai số trong dãy liền trước nó. Số thứ 2019 của dãy là bao nhiêu? =)

Câu hỏi 1:The average of three numbers is 1988. The first number is 1984. The third number is 2 units more than the second number. Find the third number.Câu hỏi 2:The average of 5 consecutive odd numbers is 123. Find the greatest number.Câu hỏi 3:Which of the following fractions is equal to 2/3?Câu hỏi 4:The average of two numbers is 95. The first number is 2/3 of the second number. Find the first numberCâu hỏi 5:Fill in the blank with the correct number: 6/100 kg = .... kgCâu...

PA

Phạm Anh Tuấn

20 tháng 3 2017