Puzzles/Arithmetical puzzles/Logarithms Puzzle

Puzzles | Arithmetical puzzles | Logarithms Puzzle

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Task is using any arithmetical operators, and school functions, such as logarithms, trigonometrical functions, square roots, and set of digits, get a specific digit.

Example

${1111111 \over 10000}$

That means using "1" seven times write 10000, and the solution is:

$\,10000={(111-11)}^{1+1}$

Logarithms Puzzle 1

${777 \over 121}$

Logarithms Puzzle 1 Solution

Logarithms Puzzle 2

${11 \over 32}$

Logarithms Puzzle 2 Solution

Logarithms Puzzle 3

${111 \over 10001}$

Since it may be difficult to solve, try solving these first:

${11111 \over 10001}$

${1111 \over 10001}$

Logarithms Puzzle 3 Solution