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y , if the set of its factors is { 1 ; 2 ; 23 ; 46 }
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N is a natural number greater than 1. When 1 is added to N the result is a multiple of 2. When 2 is added to N, the result is a multiple of 3. When 3 is added to N, the result is a multiple of 4. When 4 is added to N the result is a multiple of 5. When 5 is added to N the result is a multiple of 6. When 6 is added to N the result is a multiple of 7.
in a set of positive whole numbers there are no two elements which have their difference as a multiple of 2017.At most how many elements could the set have
Given the set A = { 0 ; 8 ; 16 ; 24 ; ... }
A is the set of multiples of ........
Given the set A = { 0 ; 8 ; 16 ; 24 ; ... }
A is the set of multiples of ........
Given the set A = { 0 ; 8 ; 16 ; 24 ; ... }
A is the set of multiples of ........
If of the figure below is colored then x =
Question 9:
A square of side 8cm has the same perimeter as a rectangle. If the ratio of the width of the rectangle to its length is 1:3 then its area is
Question 10:
The cost of a movie ticket is 5 dollars. The cost for 12 people to each of a movie ticket and a soft drink is 72 dollars. What is the cost of a soft drink?
Answer: dollars
Given the set of letters: {a,b,c,… ,x,y,z}.The number of elements is
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 thata + b + c + d 1a + c + d 2a + b + d...
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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