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Harder Puzzles

Simple Sums ★★

The equation shown below is not correct:

Puzzle

The question: Can you make the equation correct by placing just one stroke?

A hint : Putting a stroke through the equal sign is an inventive solution, but not the one we are looking for!

The answer: Click here!

Another question: The equation shown below is not correct:

Puzzle

Can you make the equation correct by moving just one sign or digit to the other side of the equal sign?

A hint : Note that 7-1=5+1 is not a correct solution because then you have moved two signs (exchanged the plus and minus signs).

Another answer: Click here!

Yet another question: The equation shown below is not correct:

Puzzle

Can you make the equation correct by moving just one digit?

Yet another answer: Click here!

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