If n is a natural number and n < 7,25< n + 3 then the number of values of n is....
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If n is a natural number and n<12.03<n+5 then the greatest value of n is
If n is a natural number and n<12.03<n+5 then the smallest value of n is
Ta thấy: n<12.03<n+5
=>n<36<n+5
=>n<36
36<n+5
=>31<n
=>31<n<36
=>n=(32,33,34,35)
=>Giá trị lớn nhất của n là 35
Giá trị lớn nhỏ của n là 32
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If n is a natural number and n<12.03<n+5 then the smallest value of n is
1.The term 215th of the expression A=1-7+13-19+25-31+⋯ is...
2.The number of values of n such that n2+34 which is a square number is...
3.Given a division If dividend and divisor are increased to 90 and 6 units respectively,then the quotient and the remainder are not changed the quotient is...
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cau 2 la n=1 chu cau 1 voi 3 minh ko biet
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The number of values of n such that 2^n+34 which is a square number is ....
The number of values of n such that n^2+34 which is a square number is ....
The number of values of n such that n2 + 34 which is a spuare number is
If n is divisible by 100 and 4900 < n < 5100 then n =
Question 8:
The perimeter of the square below is cm
(Simplify your answer)
Question 9:
The sum of two numbers is the greatest 4 – digit number and their ratio is 1:2. The smaller number is
Question 10:
If the sum of two numbers is 471 and there are 44 other numbers between the two numbers. Find the greater number.
Answer:
If 3/7>2/n>3/8 and n is a natural number then n = ?
=>6/14<6/3n<6/16
=>14<3n<16
=>3n=15
=>n=5
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Dịch : Nếu \(\frac{3}{7}>\frac{2}{n}>\frac{3}{8}\)thì n bằng bao nhiêu biết n là số tự nhiên ?
Giải .
Ta có :
\(\frac{3}{7}>\frac{2}{n}>\frac{3}{8}\Rightarrow\frac{6}{14}>\frac{6}{3n}>\frac{6}{16}\)
=> \(\frac{6}{3n}=\frac{6}{15}\)
=> 3n = 15
=> n = 15 : 3
=> n = 5
Vậy n = 5.
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If 3/7 > 2/n > 3/8 and n is a natural number then n =