What's the answer? Very hard.
Edit: No concat allowed.
Last edited by julianthemath (2013-08-02 16:02:11)
So the idea is that we can only use mathematical symbols and no other digits/numbers, correct?
You can use numbers, any operations excluding the concat.
I can use numbers? Any number? What about 61*100+61?
You can use only 2 61's.
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