Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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**mathaholic****Member**- From: Earth
- Registered: 2012-11-29
- Posts: 3,251

What's the answer? Very hard.

**Edit: No concat allowed.**

*Last edited by julianthemath (2013-08-02 16:02:11)*

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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**Trenin****Member**- Registered: 2013-09-06
- Posts: 3

So the idea is that we can only use mathematical symbols and no other digits/numbers, correct?

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**mathaholic****Member**- From: Earth
- Registered: 2012-11-29
- Posts: 3,251

You can use numbers, any operations excluding the concat.

Mathaholic | 10th most active poster | Maker of the 350,000th post | Person | rrr's classmate

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**Grimbal****Member**- Registered: 2013-11-24
- Posts: 7

I can use numbers? Any number? What about 61*100+61?

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**anonimnystefy****Real Member**- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,039

You can use only 2 61's.

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

The knowledge of some things as a function of age is a delta function.

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