Question

Surprisingly hard question

Answer 1

\[\int\limits_{}^{}\frac{ d }{ dx }\]

Answer 2

\[\text{@.@}\]:D

Answer 3

it seems we'r going to learn a new thing :)

Answer 4

those are just operators :O where the the operands ?

Answer 5

is there such thing? lol. am i missing something. haha

Answer 6

**where is the operand ?

Answer 7

Told you it was surprisingly difficult!

Answer 8

like this is also difficult to find...
\(\huge +-\)

Answer 9

loool

Answer 10

Is this supposed to be operator composition?$$\int\circ\frac{d}{dx}=1$$

Answer 11

omg :O

Answer 12

http://en.wikipedia.org/wiki/Differintegral
$$\mathbb{D}^1\mathbb{D}^{-1}=\mathbb{D}^0=1$$

Answer 13

looks like

\[\int\limits \frac{1}{cabin} d(cabin)\]

Answer 14

lol... really only replying to that ^
It's
log(cabin)
isn't it? ;)

Answer 15

were did u get that question....... is it ur own ,,,,,

Answer 16

^ the most innocent question