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

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#10506 Re: Puzzles and Games » Add 13 more and post it forever. » 2011-07-03 04:12:17

hi bob

not exactly what i meant.i asked how do they rearrange the digits of the numbers to get thirteen.
for example in post #1161:
9+5-(3^0×1) and those numbers are digits of 1161×13

#10510 Re: Dark Discussions at Cafe Infinity » Wink Murder 12? » 2011-07-02 07:20:47

well those under 13 shouldn't play then.i myself am 14 so i'm allowed,right?

#10511 Re: Help Me ! » Complex Transformations » 2011-07-02 03:58:01

hi Au101

shouldn't it be u/(u²+v²)

#10513 Re: Exercises » Integration by Substitution » 2011-07-02 01:55:53

hi gAr

thanks.never thought of that.

#10514 Re: Exercises » Integration by Substitution » 2011-07-02 01:21:36

let's stop this or otherwise there's a possibility that this topic turns into a chat topic.

#10515 Re: Exercises » Integration by Substitution » 2011-07-02 01:19:01

me and MIF must be opposite time zones.

#10517 Re: Exercises » Integration by Substitution » 2011-07-02 01:12:53

yeah,how often does he come to the forum,because i don't see him active very much?

#10518 Re: Exercises » Integration by Substitution » 2011-07-02 01:10:10

ok,sure.just a question,is it possible to send private messages on this forum?

#10522 Re: Exercises » Integration by Substitution » 2011-07-02 00:40:48

got that one.dunno what to do next.

#10523 Re: Jai Ganesh's Puzzles » General Quiz » 2011-07-02 00:39:40

hi bobbym

adhesion is the opposite to cohesion.

#10524 Re: Jai Ganesh's Puzzles » 10 second questions » 2011-07-02 00:25:29

hi ganesh

it's closing up to question #2000

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