Solution Step 0/0
Using five 1s and only ONE arithmetic sign, can you get one hundred?
What arithmetic sign would it be?
What arithmetic sign would it be?
Explanations
Subtraction:111 - 11 = 100.
[After Boris A. Kordemsky. The Moscow Puzzles: 359 mathematical recreations. 1972]
Check Addition
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Check Multiplication
Check Subtraction
