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A natural number will be increased by 9 times ifthe digit 0 is written between tens digit and units digit.The number is
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 A1-7+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+⋯+100×101Question 9:The root of the equation (x+1)+(x+2)+(x+3)+⋯+(x+100)5750 is xQuestion 10:The sum of di...
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Question 2:
The number of factors of 120 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:
The 215th term of the expression A=1-7+13-19+25-31+⋯ is
Question 7:
A natural number will be increased by 9 times ifthe digit 0 is written between tens digit and units digit.The number is
Question 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 10:
The sum of digits of 31000 is A,the sum of digits of A is B,and the sum of digits of B is C.The value of C is
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
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.
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How many natural numbers having three digits such that the tens digit squared equals the product of other digits and the difference between that number and its reversed order is 495?
Answer: There are numbers.
How many natural numbers having three digits such that the tens digit squared equals the
product of other digits and the difference between that number and its reversed order is 495?
Answer: There are numbers.
how many 3 digit numbers that are multiples of 6 in which the sum of hundreds digit and units and units digit is twice tens digit ?
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
How many natural numbers having three digits such thatthe tens digit squared equals the product of other digits and the differencebetween that number and its reversed order is 495?