tìm các yếu tố đó để nó thêm phần lên đến 23
làm ơn tích mình với ,mình dịch rồi đó
tìm các yếu tố đó để nó thêm phần lên đến 23
làm ơn tích mình với ,mình dịch rồi đó
find a set so that two of its elements add up to 23
a . {7;12;16;10;21}
b. {6;18;7;15;9;12}
c.{13;12;14;7;8}
d.{9;13,;8;16;11;17}
find a set so that two of its elements add up to 23
Consider the set of the first one hundred natural numbers {0,1,2,3,…,99}. Let k be the sum of digits of a number in the set. Find the value of k such that the number of numbers whose digits add up to the same value is a maximum.
Câu 1:
A is a set of multiples of 12 less than 12. How many elements does the set A have?
Answer: The set A has element(s)
Câu 2:
Find the remainder when is divided by 9.
Answer: The remainder is
Câu 3:
Find the remainder of when it is divided by 3.
Answer: The remainder is
Câu 4:
A is the set of factor of 12 more than 6. How many elements does the set A have?
Answer: The set A has element(s)
Câu 5:
Find the natural number so that the product of and 5 is a prime number.
Answer:
Câu 6:
Given that . How many divisors does the number A have?
Answer: The number A has divisors.
Câu 7:
Given that . How many divisors does the number A have?
Answer: The number A has divisors.
Câu 8:
How many prime numbers less than 10 are there?
Answer: There are numbers.
Câu 9:
Find the greatest 2-digit number that has 12 divisors.
Answer: It is
Câu 10:
Among all natural number pairs satisfy , one pair has the greatest product. What is this product?
Answer: The greatest product is
Câu 1: Given that is divisible by 9. What is the value of ?
Câu 2: How many elements of the set A are divisible by 9?
Câu 3:A is a set of multiples of 12 less than 12. How many elements does the set A have?
Câu 4:Find the remainder when is divided by 3.
Câu 5:Given that 511 is the sum of two prime numbers and , . What is the value of ?
Câu 6:Given that . Find the value of .
Câu 7:Given that . How many divisors does the number A have?
Câu 8:Find the natural number so that the product of and 5 is a prime number.
Câu 9:
Given that . How many divisors does the number A have?
Câu 10:
Given that . How many divisors the number A have?
1 . A is the set of factor of 12 more than 6 . How many elements does the set A have ?
2 . Find the remainder when 98387 + 1234 is divided by 9 ?
3 . given that b513 is divisible by 9 . what is the value of b ?
4 . find the remainder of 9287 when is it divided by 3
ai nhanh tay làm rùm tớ , tớ sẽ tặng cho 1 tích
ai kb và tick cho nick KAITO KID 2005 + trả lời đúng câu hỏi này thì mình tick cho:
Consider the set of the first one hundred natural numbers {0,1,2,3,…,99}. Let k be the sum of digits of a number in the set. Find the value of k such that the number of numbers whose digits add up to the same value is a maximum.
Earth radius is 6370km.
a) Determine the lunar radius, know that it is one of the 1200km, 1730km, 2100km radius and approximately four times the radius of the moon.
b) Determine the distance from the Earth to the Moon knowing that it is one of the number 191000km, 520000km, 484402km and that distance than the thirty-eight times the diameter of Earth.
Tự dịch nha ! Toán tiếng Anh đó ! Đây là 1 bài toán đơn gian
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