Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
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#1 Re: Help Me ! » Help Me please... So urgent... » 2010-02-09 04:00:55
thanks so much. im waiting for you...
#2 Re: Help Me ! » Help Me please... So urgent... » 2010-02-08 15:02:17
so can you prove that? please...
#3 Re: Help Me ! » Help Me please... So urgent... » 2010-02-08 14:56:01
x <or> y
#4 Introductions » Hello... » 2010-02-08 14:43:24
- goldensecret
- Replies: 2
My name is amin edraki. im from iran. i have 3 medals.
1) 3rd in iran(group)
2) second in iran(group)
3) 3rd in phisics
i think i can help others in this forume.
#5 Re: Help Me ! » Help Me please... So urgent... » 2010-02-08 14:39:39
hi;
but y = 1 is perfect square!
#6 Re: Help Me ! » Show that: A∆(B∆C) = (A∆B) ∆C » 2010-02-08 05:06:48
AΔb = Aυb - A∩b
#7 Re: Help Me ! » Help Me please... So urgent... » 2010-02-08 01:53:59
can anyone say a counter in positive numbers?
#8 Help Me ! » Show that: A∆(B∆C) = (A∆B) ∆C » 2010-02-08 01:15:59
- goldensecret
- Replies: 2
help me...
#9 Re: Help Me ! » Help Me please... So urgent... » 2010-02-08 01:05:57
Ok... Thanks a lot.... It was so important for me... thanks...
#10 Help Me ! » Help Me please... So urgent... » 2010-02-08 00:43:14
- goldensecret
- Replies: 11
if x+xy and y+xy are perfect square, then prove that:
x or y is perfect square
Pages: 1