Ĺ
󤪤ǤȤޤ
ԣ֤˽Ф裲󤬡ĤΤ褦Ǥ
Ϥޤޤġ 719ڡ 0:07:34 HomePage:åλؤ39592
tomh
800󡢤ǤȤޡ
(*^^)//:*:',:*:'
ԡ 719ڡ 0:09:42 MAIL:tomh@yahoo.co.jp HomePage:H to M39593
deu
800 󤪤ǤȤޤ
ĶͽۤƤ顤ʿȤаŻȤ
719ڡ 0:10:41 39594
kata
󤪤ǤȤޤ
轵ڤߤˤƤޤ줫⡢ꤤޤ
719ڡ 0:10:51 39595
ʸ
ԥ饹Ǥ
sqrt(800*2) = 40

βˡϡ
PCäѷƤ
ѷABC4ʬȴƤǤѤ800*2 = 1600ˤʤ뤫

ޤäƥԥ饹ξʤǤɤ
719ڡ 0:12:13 39596
ؽ
󤪤ǤȤޤ
äѤǡ
虜Ȥ餷ϳ٤ˤƤäΤǤ
Ͼ졡 719ڡ 0:13:00 MAIL:kishimotoakihisa@hotmail.com HomePage:ۡڡ39597
ޥ
äñä...¤Ϻǽϡ

http://www.sansu.org/toi800.GIF

ǤäǤ..ޤޤѤʤ
MacBookAir 719ڡ 0:14:58 HomePage:֥39598
ͣ.ǥ
Сѡä¤αĹ˲򡡤줾졡УҡѣӡãȡȤ
Уңᢤ£ȣáѣ£Ӣᢤã
ä
Уҡܣѣӡ£ȡܣ
У¡ܢѣ¡1/2**ʣУѡܣѣӡˡ1/2ˣ¡2
¡2/2800ʣ¡0ˡꡡ¡40
ȵޤ

800󡡤ǤȤޤʤˤƤ⡢פΰǤ͡
Ȥꤤޤ
719ڡ 0:22:19 39599
ʸ
800󤪤ǤȤޤ
⤦10ǯʤʤ
719ڡ 0:18:32 39600

󡢤ǤȤޤ󤫤餿ƤǤ͡ϰŪ˲򤯤񤷤٤ʰ̤ݤʤȤʤȡѤȤϻפޤ줫ꤤޤ
719ڡ 0:21:31 39601
CRYING DOLPHIN
裸󤪤ǤȤޤ

40٤äˤϳѤɤʡȤϤʤ̵롣
CAB˸ƿCH򲼤
ޤPABαĹ˸PIQABαĹ˸QJ
ȡPIAȢBHCϹƱQJBȢAHCϹƱġ

ABPܢABQABPI2ABQJ2AB(PIQJ)2ġ
ȤǡꡢPIBHQJAHʤΤǡPIQJBHAHAB
äơABAB2ɽ롣
ABAB800216004040ꡢAB40cm
ï⤤ʤԳϡ 719ڡ 0:22:52 HomePage:֥⤢39602

ʤߤ˲ϡ⤫ФAP=b,AC=aȤơУã¡ܢѣáᣲߢ£áܣa(a+b)/2b(a+b)/2ab+800a^2+b^21600Ȥʤꣴޤޤ
719ڡ 0:31:29 39603

800󤪤ǤȤޤ

⻰ʿDz򤤤ΤǤͤΤ褦˽ֻȤϤޤǤorz
УѤĤʤǡãУѤľջѷȤʤꡢѤSȤ
AB=xAC=aAB=bȤ
(a+b)^2=2S
S*a/(a+b) * a/(a+b) + S*b/(a+b) * b/(a+b)=800
(a^2+b^2)S/(a+b)^2 =800
a^2+b^2 = 800(a+b)^2 /S
ޤ(a+b)^2=2S
x^2=a^2+b^2=1600x=40Ȥʤޤ
裲롼ס 719ڡ 0:32:49 HomePage:39604
⡼ޥ
800
ꥢ˵ŤʤޤޤǤ ^^;
ס...ʤ̤Ǥޤ褦ˡ
轵γڤߤ򥰥åǤm(_ _)m

ʤߤ...ԥ饹Ǥ ^^;...Orz...
719ڡ 0:44:39 39605
̴
ޥ
800ˤǤȤޤϰߤǤääȤǤϡäƬˤϾäΤǤɤˤƤѡѤǤ뤳ȤɤʬäƤޤʤƳꤤ夲ޤ˴ư800ȤĹǤ͡
ٻΤ桡 719ڡ 1:42:29 39606
ߤ
ǣ٤ʤƤɤȤФȻפäƤޤ
Τɬפʤ褦Ǥ͡

УáѣäդȤУãѣĤꡢˣ¤դȤ
£ţƤࡣ
£ţƤˤʤΤǡ
¤ϣȤȤǤ͡

ãǤȤޤ
ˡDz򤱤Ȥϸ¤ʤΤǤʼ¤Ⱦʬ餤򤱤Ƥʤ⡩ˡ
ꤤޤ
719ڡ 1:53:21 39607
ϲ
ää
719ڡ 7:49:43 39608
namba
ѴؿǤˤǤޤ

ABC
AC=ABsin40롢BC=ABsin50
ä
ABP=(1/2)*AP*AB*sinPAB=(1/2)*BC*AB*sin130
=(1/2)*(ABsin50)*AB*sin130=(1/2)*(AB)^2*sin50*sin130
Ʊͤ˷׻
ABQ=(1/2)*(AB)^2*sin40*sin140

ABP+ABQ=800

(1/2)*(AB)^2*sin50*sin130+(1/2)*(AB)^2*sin40*sin140=800
ä
(AB)^2*(sin50*sin130+sin40*sin150)=1600ĭ

sin50*sin130+sin40*sin140=sin50*sin50+sin40*sin40
=sin50*sin50+cos50*cos50=1

(AB)^2=1600AB=40
719ڡ 9:04:27 39609

󤪤ǤȤޤ
£Сܢ£ѡ᣸
^2/2+^2/2=800
^2+^2=1600
ʿ
^2+^2=^2
ӣ¡䣰
^2=1600
=40
ηǼĤߤƤϤơޤˣäƽ񤤤Ƥ뤳Ȥ˵Ťޤ
719ڡ 9:22:02 39610
ϥ饮㡼ƥ
Ϥ褦ޤMATHEMATICAȤ´ޤʣ򤱤Τ顪
719ڡ 9:37:21 HomePage:湩ؤإ39611

#39610ƱǤ
Ϥ40ϲ˻ȤΤ˹ͤޤ
719ڡ 9:55:51 HomePage:39612

800󤪤ǤȤޤ
719ڡ 9:56:09 HomePage:39613
uchinyan
Ϥˤϡ
ޤϡ裸󤪤ǤȤޤ Ĺ֡餷ȤǤƬޤ
ޥ뤵ˤϡäñʤ̲ˤ᤮ʤΤʤȤפޤ ^^/

ơϡ
ϡؤǤϻʿȤäơǤľѻѷιƱǡñǤ͡ʴǡ

CPQ AB ˿򲼤­ HIJ Ȥޤ
PAI = BAC = BCHPA = BCPAI BCHPI = BH
QBJ = ABC = ACHQB = ACQBJ ACHQJ = AH
ABP + ABQ = AB * PI * 1/2 + AB * QJ * 1/2 = AB * (PI + QJ) * 1/2 = AB * (BH + AH) * 1/2 = AB * AB * 1/2
ǡABP + ABQ = 800 cm^2 ʤΤǡ
AB * AB * 1/2 = 800AB * AB = 1600AB = 40 cm
ˤʤޤ

40ϴطʤäǤ͡
ͥνȡ 719ڡ 11:21:18 39614
uchinyan
ǼĤɤߤޤ

#39596θ#39607
դ PC äѷ򤹤ȡ
ABC ͤĽƤǤѤ ABP + ABQ Σܤˤʤ뤳Ȥˡ

#39599#39602#39614
CPQ AB ˲­ HRS Ȥȡ
ľѻѷιƱȤäơPR + QS = AB ˤʤ뤳Ȥˡ

#39594#39596κǽ#39603#39604#39605#39610#39612
ʿȤäزˡ

#39609
ѴؿȤäزˡ

#39611
ץˤˡ

ʤ

#39597
䣸󤪤ǤȤޤ
䤽äѤǡ
ϵդɡ
虜Ȥ餷ϳ٤ˤƤäΤǤ
äޤǤϵդʤä (^^;
ͥνȡ 719ڡ 11:19:05 MAIL:uchi@sco.bekkoame.ne.jp 39615
Ȼ
800󤪤ǤȤޤ񤭹ߤƤʤǤɡ
轵ڤߤˤƤޤ줫⡢ꤤޤ
719ڡ 19:04:57 39616

800󤪤ǤȤޤ
ѷABC3ʿȤPAQB1դȤѤ1600cm^2ʤΤǡAB=40cm
40٤äƻȤʤΤǤϡȻפääǤ͡
719ڡ 23:04:03 39617
ޤ
800󤪤ǤȤޤm(__)m³ϡޤ
줫⡢ڤޤƤޤ͡

ĤֻפDz򤳤ȿƤΤǤ
£Сܢ£ѡ᣸cm2
BC^2 + CA^2 = 1600 Ȥʤäִ֤
ԿȿͤǻʿȤäƤޤޤorz

uchinyanΤޤȤ򸫤ơ
Ǥβˡٶޤ
Somewhere in the world 720ʶ 1:39:23 39618
ޤ
800󤪤ǤȤޤm(__)m³ϡޤ
줫⡢ڤޤƤޤ͡

ĤֻפDz򤳤ȿƤΤǤ
£Сܢ£ѡ᣸cm2
BC^2 + CA^2 = 1600 Ȥʤäִ֤
ԿȿͤǻʿȤäƤޤޤorz

uchinyanΤޤȤ򸫤ơ
Ǥβˡٶޤ
Somewhere in the world 720ʶ 2:11:57 39619
ϺĹ
⤪ˤ
Ǥ
ʬǣ³Ƥ뤳ȤȸСѤʤ鲿ʤ
ԤƤޤ
720ʶ 19:47:21 39620
粬ҹ
ޥ뤵󡢣䤪ǤȤޤĹ³뤳Ȥϼ̣ȤϸĶŪʻǤ줫轵򤪴ꤤޤ

ϻʿǤϤɻɤDz򤳤ȤƤʤǤ͡Ǥϡ
723ʷ 23:04:06 39621