Brain Teasers
1 2 3 4 5 6 7 8 9 = 100
Can you place + and - signs between the following numerals to make the equation true? You can only use a total of 3 symbols and you cannot rearrange the numerals.
1 2 3 4 5 6 7 8 9 = 100
1 2 3 4 5 6 7 8 9 = 100
Hint
You will use - - +, in that order.Answer
123 - 45 - 67 + 89 = 100Hide Hint Show Hint Hide Answer Show Answer
What Next?
View a Similar Brain Teaser...
If you become a registered user you can vote on this brain teaser, keep track of which ones you have seen, and even make your own.
Solve a Puzzle
Comments hidden to avoid spoilers.
Follow Braingle!