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Թҧ
17 Ȩԡ¹ 2007, 18:19
ͺԵʵ Ƿ. .6 2550 ҹҨ繻ª¹ŧ ԴҤԹ仹ФѺ
http://img69.imageshack.us/img69/6196/scan0000ri1.jpg

Թҧ
17 Ȩԡ¹ 2007, 18:20
http://img150.imageshack.us/img150/1261/scan0001rx2.jpg

Թҧ
17 Ȩԡ¹ 2007, 18:21
http://img151.imageshack.us/img151/301/scan0002nt8.jpg

Թҧ
17 Ȩԡ¹ 2007, 18:27
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Թҧ
17 Ȩԡ¹ 2007, 18:32
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Թҧ
17 Ȩԡ¹ 2007, 18:37
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Թҧ
17 Ȩԡ¹ 2007, 18:41
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Թҧ
17 Ȩԡ¹ 2007, 18:46
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Puriwatt
17 Ȩԡ¹ 2007, 20:57
Ңͺش յ 80 (ҡ) 3 (2~3 ҷ/) ͹ҧ˴Ѻ .6
ǤԴ ҧ
2. ͺ 4 (ͧѧ⨷ $\frac{1}{x}$ )
3. ͺ 2 (¡ѧ3 Ѵ ᷹ 4 ŧ Ҥӵͺ)
4. ͺ 2 (Ѵٻ $x^2.(x+1) = n^2$ $(x+1) = m^2 =4,9,16,25,36,49,64,81,100$)
5. ͺ 2 (Ҥ x Ǻǡѹͧ)
6. ͺ 3 (ͧԴҧ 3 ...ҷӷТ)
7. ͺ 4 ( $\frac{a}{c} = \frac{a}{b} .\frac{b}{d} .\frac{d}{c} $)
8. ͺ 1 ( $x^2 = \frac{20}{6}$, $y^2 = \frac{24}{5}$, $z^2 = \frac{30}{4}$ ᷹P)
10. ͺ 4 ( ᷹)
11. ͺ 2 ($127^2-123^2 = (127-123).(127+123)$ y = 121)
12. ͺ 4 ($100+33\frac{1}{3}$ 繵 = $\frac{4}{3}$)
13. ͺ 3 (243 = 3x81 = 3^5 and 1+2 = 3 Ҥ x ᷹)
15. ͺ 3 (x+y = 121, 1331 x-y = 11, 1 x>y)
18. ͺ 4 (ӹǹ੾ 1 ѡ 2, 3, 5, 7 1)
20. ͺ 3 (ҹ⨷ԴѺ)
23. ͺ 4 ( 5 繵ǻСͺ 500 ֧ٹͷ· 500 , )
Դ 2007! ҨŢٹáաҧ
26. ͺ 2 (֧ $\frac{98!}{98!}$ ͡ y)
36. ͺ 3 (칷ҹ ͧOX = ˹觢ͧ鹷)
42. ͺ 1 (ҧٻ 4 (-3,17), (9,17), (9,-3), (-3,-3) ¢)

bell18
18 Ȩԡ¹ 2007, 06:39
ͺشʹҡѺ

Թҧ
18 Ȩԡ¹ 2007, 22:57
ͧӴٵ⨷˹ 3 һչҡһշ ÷ 60% 仼:great:
ѧǨͺҨբͼԴҴҧ ͹ öǧԧѺ
1. 4, 2. 4, 3. 2, 4. 2, 5. 2, 6. 3, 7. 4, 8. 1, 9. 1, 10. 4
11. 2, 12. 4, 13. 3, 14. 4, 15. 3, 16. 4, 17. 1, 18. 4, 19. 1, 20. 3
21. 1, 22. 3, 23. 4, 24. 4, 25. 1, 26. 2, 27. 2, 28. 2, 29. 3, 30. 2
31. 1, 32. 3, 33. 2, 34. 2, 35. 2, 36. 3, 37. 2, 38. 3, 39. 4, 40. 1
41. 2, 42. 1, 43. 2, 44. 3, 45. 2, 46. 3, 47. 3, 48. 4, 49. 2, 50. 1
51. 4, 52. 3, 53. 3, 54. 2, 55. 4, 56. 3, 57. 34, 58. 2, 59. 3, 60. 1
61. 2, 62. 2, 63. 3, 64. 3, 65. 3, 66. 1, 67. 2, 68. 2, 69. 2, 70. 1
71. 3, 72. 2, 73. 2, 74. 1, 75. 1, 76. 4, 77. 3, 78. 4, 79. 1, 80. 3

Puriwatt
19 Ȩԡ¹ 2007, 21:32
ҡ¤Ѻ سԹҧ

Թҧ
19 Ȩԡ¹ 2007, 22:48
ҡ¤Ѻ سԹҧ

͵ԧ 2 ͤ 16 Ҩеͺ (4) Т 55 Ҩеͺ (4) ͵çѹѺ
ͺسѺǧԧ 㹡дɷ跴ͺ͹ѹѺ ԴͧѺ ǤѺ

za_ba_yo
03 Ҥ 2008, 11:32
չҡһշ

Fearlless[prince]
05 Ҿѹ 2008, 20:22
˹ѧ
͸Ժѧ˹Ѻ

Furry
10 Ҿѹ 2008, 22:32
͸ԺẺ .6 ФѺ
ѧࡵŢ 2 Ǻ(ҪԡͧE) źŢ 1 ҧ(ҪԡͧF) = 1
ѧࡵŢ 4 Ǻ(ҪԡͧE) źŢ 3 ҧ(ҪԡͧF) = 1
ѧࡵŢ 6 Ǻ(ҪԡͧE) źŢ 5 ҧ(ҪԡͧF) = 1
蹹Ҩ 1 ӹǹ 500 Һǡѹͧͧ⨷ 500 Ѻ

ttunya
11 չҤ 2009, 09:43
ͺ Ŵç˹ ӵͺ º͡դ

usѡm
11 չҤ 2009, 14:55
http://www.mathcenter.net/forum/showthread.php?t=3501

butare
10 Ҥ 2009, 10:37
ԸդԴ 8 ˹¤Ѻ

Թҧ
10 Ҥ 2009, 14:59
ԸդԴ 8 ˹¤Ѻ

⨷˹
$xy = 4........(1)$
$xz = 5........(2)$
$yz = 6........(3)$
(1)*(2)/(3) $x^2 =\frac{4*5}{6} = \frac{10}{3}........(4) $
(1)*(3)/(2) $y^2 =\frac{4*6}{5} = \frac{24}{5}........(5) $
(2)*(3)/(1) $z^2 =\frac{5*6}{4} = \frac{15}{2}........(6) $
(4)+(5)+(6) $x^2 + y^2 + z^2 = \frac{10}{3}+\frac{24}{5}+\frac{15}{2}=\frac{469}{30}\approx 15.63$
ѧ $P =16$

Guillotine
02 չҤ 2010, 19:02
˹觹 E 500ǡF500͹ѹ
ѧࡵE= 2+4+6.... ѧ鹨֧2+4+6ФԴ´
ǹF= 1+3+5 .... ͹ѹ źѹ 2+4+6-1-3-5=3(ѧࡵ¡3=3 ¡500ǡ=500ФѺ{})

ptwong
03 չҤ 2010, 09:33
ջªҡѺ 繢ͺ˴شͧ Ƿ (Դҹ)
ѧշ͹ͺ㹡͹¤Ѻ

kruunoi
06 áҤ 2010, 14:23
thank

IMBO
18 áҤ 2010, 21:02
͡Ըշ˹ԤѺ :eek::eek::eek:

vongola primo
15 Ҿѹ 2011, 20:49
ͺسФѺ
Ѻͺ:great: