Double Number Riddle

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?




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Solve the mathematical equation in the picture below.

Math Equation Picture

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Cube Game

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By using all numbers, i.e. 123456789 and subtraction/addition, operators number 100 can be formed in many ways.
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Can you tell me any other solution?

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Find the Missing Number

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