Move something

Logic Level 2

62 − 63 = 1 \large 62-63=1

This is obviously incorrect. In how many ways can you move a digit or a line to make it correct? (The digit does not necessarily need to be the same size after it has been moved)


The answer is 2.

Freddie Hand by Freddie Hand , 18, United Kingdom

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1 solution

Prithwish Roy
Feb 25, 2017

Move one of the lines of the equal sign to the minus sign therefore making it the new equal sign. 62 = 63 − 1 \large\boxed{62=63-1} Another solution would be to move the 6 of 62 to the power of 2 2 6 − 63 = 1 \large\boxed{2^{6}-63=1}

3 Helpful 0 Interesting 0 Brilliant 0 Confused

shouldn't it be 3 as you could tilt one of the lines in the equal sign to make it 62-63<1

Siva Budaraju - 4 years, 3 months ago

Then you would be moving two lines, that's not legal in this question.

Prithwish Roy - 4 years, 3 months ago

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